Agent: In intelligence usage, a person who engages in clandestine intelligence activity under the direction of an intelligence organization, but who is not an officer, employee, or co-opted worker of that organization.  An individual who acts under the direction of an intelligence agency or security service to obtain, or assist in obtaining, information for intelligence or counterintelligence purposes.

AIA: Air Intelligence Agency, the predecessor to the Air Force Intelligence, Surveillance, and Reconnaissance Agency (AF/ISR)

Air Surveillance: The systematic observation  of air space by electronic,  visual or other means, primarily for the purpose of identifying and determining the movements of aircraft and missiles, friendly and enemy, in the air space under observation.

Air Defense: All defensive measures designed to destroy attacking enemy aircraft or missiles in the atmosphere, or to nullify or reduce the effectiveness of such attack.

Air-to-Surface System:  Slant range  between   launching   aircraft  and  target  at  the  time  of

of missile launch.

Alert Rate : The percentage of the operational force that is maintained at a readiness condition.

All-Source Intelligence:    Intelligence   products   and / or   organizations   and  activities   that

incorporate all sources of information, including human resources intelligence, imagery intelligence, measurement and signature intelligence, signals intelligence, and open source data, in the production of finished intelligence.

AOB: Air Order of Battle

AOR: Area of responsibility.

ASAT: Antisatellite.

ASM: Air-to-Surface Missile: an air-launched missile designed to attack land/sea targets.

Assessed Facility: A facility  believed to exist  based on intelligence reporting,  although the specific location has not been confirmed.  Also, facilities believed to exist based on evaluation of the number of facilities a given functional program should require and the scope of the country’s known underground program.

Assessment: Analysis of the security, effectiveness, and potential of an existing or planned intelligence activity.   Judgment of the motives, qualifications, and characteristics of present or prospective employees or “agents.”.

ASW: Antisubmarine Warfare.

ATBM: Antitactical Ballistic Missile.

ATF: Bureau of Alcohol, Tobacco, and Firearms; also known as BATF.

ATGM: Anti-Tank Guided Missile

ATSD(IO): Assistant to the Secretary of Defense for Intelligence Oversight

Attaché: A member of the diplomatic staff accredited to the host government.

Authenticate: A challenge given by voice or electrical means to attest to the authenticity of a message or transmission.

Authentication: A security measure designed to protect a communications system against acceptance of a fraudulent transmission or simulation by establishing the validity of a transmission, message, or originator.  A means of identifying individuals and verifying their eligibility to receive specific categories of information.  Evidence by proper signature or seal that a document is genuine and official.  In evasion and recovery operations, the process whereby the identity of an evader is confirmed.

Authenticator: A symbol or group of symbols, or a series of bits, selected or derived in a prearranged manner and usually inserted at a predetermined point within a message or transmission for the purpose of attesting to the validity of the message or transmission.

Barrage Jamming: Simultaneous  electromagnetic jamming  over a  broad band  of frequencies.

Basic Cover: Coverage of any installation or area of a permanent nature with which later coverage can be compared to discover any changes that have taken place.

Basic Intelligence: Fundamental  intelligence   concerning  the  general  situation,  resources, capabilities, and vulnerabilities of foreign countries and areas that may be used as reference material in the planning of operations at any level and in evaluating subsequent information relating to the same subject.

Basic Encyclopedia:     A   compilation   of   identified   installations   and   physical   areas    of

potential significance as objectives for attack.

BATF: Bureau of Alcohol, Tobacco, and Firearms; also known as ATF.

Battle Damage Assessment:   The  timely  and accurate estimate of damage resulting from the

the application of military force, either lethal or non-lethal, against a predetermined objective.  Battle damage assessment can be applied to the employment of all types of weapon systems (air, ground, naval, and special forces weapon systems) throughout the range of military operations.  Battle damage assessment is primarily an intelligence responsibility with required inputs and coordination from the operators.  Battle damage assessment is composed of physical damage assessment, functional damage assessment, and target system assessment.  Also called BDA.

BE: Basic Encyclopedia.

Biographical Intelligence:  That component of intelligence which deals with individual foreign

foreign personalities of actual or potential importance.

BM: Ballistic Missile.

BW: Biological Warfare.

C3: Command, Control, and Communications.

C3I: Command, Control, Communications, and Intelligence.

C4I: Command, Control, Communications, Computers, and Intelligence.

Camouflage: The use of concealment and disguise to make an individual or object blend or reduce contrast with the background.  It includes taking advantage of natural environment as well as the use of natural and artificial materials.

Capability: The ability to execute a specified course of action. (A capability may or may not be accompanied by an intention.).

CC&D: Camouflage, Concealment, and Deception.

CD-ROM: Compact Disk-Read Only Memory.

CEP: Circular Error Probable — The radius of a circle centered on the intended target, within which 50 percent of the arriving warheads are expected to fall.

Chaff: Radar confusion reflectors, which consist of thin, narrow metallic strips of various lengths and frequency responses, used to reflect echoes for confusion purposes.  It creates an effect upon radar screens like that of a blizzard upon the human eye, making it difficult to distinguish individual targets.

CI: Counterintelligence: information gathered and activities conducted to protect against espionage, other intelligence activities, sabotage, or assassinations conducted by or on behalf of foreign governments or elements thereof, foreign organizations, or foreign persons, or international terrorist activities.

CIA: Central Intelligence Agency.

Cipher: Any cryptographic system in which arbitrary symbols or groups of symbols, represent units of plain text of regular length, usually single letters, or in which units of plain text are rearranged, or both, in accordance with certain predetermined rules.

CJCS: Chairman of the Joint Chiefs of Staff.

Clandestine Collection:  The   acquisition   of   intelligence   information  in  ways  designed  to

to assure the secrecy of the operation.

Clandestine: Secret or hidden; conducted with secrecy by design.

Classified Information:  Official  information which   requires,  in  the  interests  of  national

security, protection against unauthorized disclosure.

CM: Countermeasures.

CMO: Central MASINT Organization, the former name for DIA’s Directorate for MASINT and Technical Collection.

CMS: Community Management Staff, the predecessor for many of the functions now done by the Office of the Director of National Intelligence (ODNI).

Collection Manager:  An  individual   with  responsibility  for the timely and efficient tasking of

  organic collection resources and the development of requirements for theater and national assets that could satisfy specific information needs in support of the mission. Also called CM.

Collection Management:  The process of converting  intelligence requirements  into collection requirements, establishing priorities, tasking or coordinating with appropriate collection sources or agencies, monitoring results and retasking, as required.

Collection Plan: A plan for collecting information from all available sources to meet intelligence requirements and for transforming those requirements into orders and requests to appropriate agencies.

Collection Asset: A   collection  system,   platform,   or  capability  that  is  supporting,

assigned, or attached to a particular commander.

Collection Requirement:  An  established  intelligence  need  considered   in  the  allocation   of

of intelligence resources to fulfill the essential elements of information and other intelligence needs of a commander.

COM: Collection Operations Management.

COMINT: Communications Intelligence: technical and intelligence information derived from foreign communications by other than the intended recipients.

Compromise: The known or suspected exposure of clandestine personnel, installations, or other assets or of classified information or material, to an unauthorized person.

Compromised: A term applied to classified matter, knowledge of which has, in whole or in part, passed to an unauthorized person or persons, or which has been subject to risk of such passing.

COMPUSEC: Computer Security: the protection resulting from all measures to deny unauthorized access and exploitation of friendly computer systems.

COMSEC: Communications Security:  The protection resulting from all measures designed to deny unauthorized persons information of value which might be derived from the possession and study of telecommunications.

Concealment: The protection from observation or surveillance.

Conditioning: The repeated presentation or transmission of signals, information, or activities to a foreign intelligence service with the objective of desensitizing its analytical elements to the point where they no longer view them with concern or alarm.

Contingency Plan: A plan for major contingencies  that can reasonably be anticipated in the principal geographic subareas of the command.

Controlled Agent: A double agent.

COSPO: Community Open Source Program Office

Counterespionage:  That aspect  of counterintelligence  designed to detect,  destroy, neutralize,

exploit, or prevent espionage activities through identification, penetration, manipulation, deception, and repression of individuals, groups, or organizations conducting or suspected of conducting espionage activities.

Counterintelligence:  Those  activities  that  are concerned  with identifying and counter-acting

the threat to security posed by hostile intelligence services or organizations or by individuals engaged in espionage, sabotage, subversion, or terrorism.

Countermeasures:  That form of  military   science   that,  by   the  employment  of  devices  or

techniques, has as its objective the impairment of the operational effectiveness of enemy activity.

Counternarcotics: Offensive measures taken  to prevent, deter, and respond to narcotics trafficking.

Cover: The action by land, air, or sea forces to protect by offense, defense, or threat of either or both.  Also, those measures necessary to give protection to a person, plan, operation, formation, or installation from the enemy intelligence effort and leakage of information.

Coverage: The ground area represented on imagery, photomaps, mosaics, maps, and other geographical presentation systems.

Covert Action: A operation designed to influence foreign governments, events, organizations, or persons in support; it may include political, economic, propaganda, or paramilitary activities. Covert action is referred to in Executive Order Number 12036 as special activities.

Covert: Disguised to conceal the origin or identity of the sponsor or perpetrator.

CRM: Collection Requirements Management:  the authoritative development and control of collection, processing, exploitation, and/or reporting requirements that normally result in either the direct tasking of assets over which the collection manager has authority, or the generation of tasking requests to collection management authorities at a higher, lower, or lateral echelon to accomplish the collection mission.

Cruise Missile: An aerodynamic missile that uses an autonomous, programmed, powered trajectory through most of its flight to navigate to the target area.

Cryptography: The enciphering of plain text so that it will be unintelligible to an unauthorized recipient.

CW: Chemical Warfare.

Damage Assessment:  The determination of  the  effect of  attacks  on  targets. Also, in Intelli-

gence , a determination of the effect of a compromise of classified

information on national security.

DARPA: Defense Advanced Research Projects Agency

DAS: Defense Attaché System

Data: A representation of facts, concepts, information, or instructions suitable for communications, interpretation, or processing by humans or system.

DATT: Defense Attaché.

DCI: Director of Central Intelligence

DCS: Deputy Chief of Staff.

DCSINT: Deputy Chief of Staff for Intelligence (Army)

DEA: Drug Enforcement Administration

Deception: Those measures designed to mislead the enemy by manipulation, distortion, or falsification of evidence to induce him to react in a manner prejudicial to his interests.

Decipher: To convert an enciphered communication into its equivalent plain text.

Declassification: The determination that in the interests of national security, classified information no longer requires any degree of protection against unauthorized disclosure, coupled with removal or cancellation of the classification designation.

Declassify: To cancel the security classification of an item of classified matter.

Decode: To convert an encoded message into plain text.

Decoy: An imitation in any sense of a person, object, or phenomenon which is intended to deceive enemy surveillance devices or mislead enemy evaluation. Also called dummy.

Defector: A national of a designated country who has escaped from its control or who, being outside its jurisdiction and control, is unwilling to return and who is of special value to another government because he is able to add valuable new or confirmatory intelligence information to existing knowledge about his country.

Demonstration: An attack or show of force on a front where a decision is not sought, made with the aim of deceiving the enemy.

Denial Measure: An action to hinder or deny the enemy the use of space, personnel, or facilities. It may include destruction, removal, contamination, or erection of obstructions.

DEW: Distant Early Warning; Directed-Energy Weapon.

DF: Direction Finding.

DHS: Defense HUMINT Service

DIA: Defense Intelligence Agency

DIAC: Defense Intelligence Analysis Center — the analytical center for the Defense Intelligence Agency, located on Bolling Air Force Base in Washington, DC.

DIN: Defense Intelligence Network:  the CNN for DoD Intelligence

DIO: Defense Intelligence Officer.

Directed Energy: An umbrella term  covering technologies that relate to the production of a beam of concentrated electromagnetic energy or atomic or subatomic particles. Also called DE.

Directed-Energy Device: A system using directed energy primarily for a purpose other than as

than as a weapon. Directed-energy devices may produce effects that could allow the device to be used as a weapon against certain threats, for example, laser rangefinders and designators used against sensors that are sensitive to light.

Directed-Energy Weapon:  A system  using  directed  energy   primarily  as  a  direct  means to

to damage or destroy enemy equipment, facilities, and personnel.

Direction Finding: A procedure  for obtaining bearings  of  radio frequency emitters by using a highly directional antenna and a display unit on an intercept receiver or ancillary equipment.

DIRNSA: Director, National Security Agency

Disaffected Person:  A person  apparently disenchanted  with  his  or her current situation who

  who may therefore be exploitable for intelligence purposes (e.g., by the willingness to become an agent or defector).

Disguise: Concealment or misrepresentation of the physical characteristics or true nature or identity of a person or object.

Disinformation: A Soviet concept and technique of disseminating intentionally misleading information or intelligence to influence external or internal opinion. Disinformation operations differ from conventional propaganda in that their true origins are concealed and ordinarily involve some form of clandestine action.

Dispersal: Relocation of forces for the purpose of increasing survivability.

Dissemination: The timely conveyance or accessing of intelligence in appropriate form and by any suitable means to or by those who need it.

Diversion: The act of drawing the attention and forces of an enemy from the point of the principal operation; an attack, alarm, or feint that diverts attention.

DNA: Defense Nuclear Agency (now a part of the  Defense  Threat   Reduction Agency).

DNI: Director of National Intelligence; also Director of Naval Intelligence.

DoD: Department of Defense.

DOE: Department of Energy

Double Agent: Agent in contact with two opposing intelligence services, only one of which is aware of the double contact or quasi-intelligence services.

Downgrade: To determine that classified information requires, in the interests of national security, a lower degree of protection against unauthorized disclosure than currently provided, coupled with a changing of the classification designation to reflect such lower degree.

Dummy: A simulative device that has few or no operating features such as nonfunctional airfields, aircraft, ammunition dumps, tanks, guns, paratroopers, etc.  Dummy devices are not necessarily intended to deceive as are decoys, but could be used for training or display purposes.

E&E: Escape and Evasion.

Early Warning: Timely notice of an attack or other military action.  In deception supporting military operations, early warning is the major element to be nullified to achieve surprise.

ECCM: Electronic Counter-Countermeasures: the division of electronic warfare involving actions taken to ensure the effective use of the electromagnetic spectrum despite an adversary’s use of electronic countermeasures.

ECM: Electronic Countermeasures: that division of electronic warfare involving actions taken to prevent or reduce an adversary’s effective use of the electromagnetic spectrum. Electronic countermeasures include electronic jamming, which is the deliberate radiation, reradiation, or reflection of electromagnetic energy with the object of impairing the uses of electronic equipment used by an adversary; and electronic deception, which is similar but is intended to mislead an adversary in the interpretation of information received by his electronic system.  ECM may be “passive” such as decoys and window, or “active” such as jamming.

EEI: Essential Elements of Information: the critical items of information regarding the enemy and the environment needed by the commander by a particular time to relate with other available information and intelligence in order to assist in reaching a logical decision.

Electro-Optical Intelligence: Intelligence  other  than signals intelligence derived from the op-

tical monitoring of the electromagnetic spectrum from ultraviolet (0.01 micrometers) through far infrared (1,000 micrometers), i.e., ultraviolet, visible, and infrared.  MASINT EO provides detailed information on the radiant intensities, dynamic motion, spectral and spatial characteristics, and the materials composition of a target. Electro-optical data collection has broad application to a variety of military, civil, economic, and environmental targets.  EO sensor devices include radiometers, spectrometers, non-literal imaging systems, lasers, or laser radar (LADAR).

Electromagnetic: Radiation  waves  accelerated  by  electric charges  that  vary  by frequency.

Electromagnetic Spectrum:  The  range of  frequencies  of electromagnetic radiation from zero

  to infinity.  It is divided into 26 alphabetically designated bands.

Electronic Jamming: The deliberate  radiation,   reradiation,  or  reflection  of  electromagnetic

energy with the object of impairing the use of electronic devices, equipment, or systems being used by the enemy.

ELINT: Electronic Intelligence: technical and geolocation intelligence derived from foreign non-communications electromagnetic radiations emanating from other than nuclear detonations or radioactive sources.

EMCON: Emission Control:  the selective and controlled use of electromagnetic, acoustic, or other emitters to optimize command and control capabilities while minimizing, for operations security.

ÉMIGRÉ: A person who departs from his country for any lawful reason with the intention of permanently resettling elsewhere.

Encipher: To convert plain text into unintelligible form by means of a cipher system.

Encode: To convert plain text into a different form by means of a code.

Encrypt: To convert plain text into unintelligible forms by means of a cryptosystem. (Note: The term “encrypt” covers the meanings of “encipher” and “encode.”).

Encryption: A method of applying a cryptographic key to plain text to encipher or encrypt thereby protecting the data from those not in possession of the key.

EO: Electro-Optical.

EOB: Electronic Order of Battle

Espionage: Intelligence activity directed toward the acquisition of information through clandestine means and proscribed by the laws of the country against which it is committed.  Spying in the popular sense.

EUCOM: European Command

Evaluation: Appraisal of the worth of an intelligence activity, information, or product in terms of its contribution to a specific goal; or the credibility, reliability, pertinency, accuracy, or usefulness of information in terms of an intelligence need. Evaluation may be used without reference to cost or risk, particularly when contrasted with assessment. Evaluation is also a process in the production step of the intelligence cycle.

EW: Early Warning.

EW: Electronic Warfare: Any military action involving the use of electromagnetic and directed energy to control the electromagnetic spectrum or to attack the enemy.

Exploitation: The process of obtaining intelligence information from any source and taking advantage of it for intelligence purposes.

FAA: Federal Aviation Administration

Fabrication: Information invented or prepared by individuals without genuine intelligence resources, usually for personal gain.  Partially or totally false information, sometimes in documentary form and purporting to originate from legitimate intelligence sources, disseminated in order to harass, embarrass, or discredit an individual, a group, or a nation.

False Flag/False Colors:  Development  or   execution   of   any   initiative   or   operation under

under false national sponsorship or credentials. For example, purchase of embargoed strategic materials by a third country for reshipment to the embargoed country is a false flag activity. The Russian term is foreign flag.

FBI: Federal Bureau of Investigations

FBIS: Foreign Broadcast Information System

FISINT: Foreign Instrumentation Signals Intelligence:  technical and intelligence information derived from the intercept of foreign electromagnetic emissions associated with the testing and operational deployment of non-US aerospace, surface, and subsurface systems.  Foreign instrumentation signals intelligence is a subcategory of signals intelligence. Foreign instrumentation signals include, but are not limited to, telemetry, beaconry, electronic interrogators, and video data links.

FOIA: Freedom of Information Act

Foreign Intelligence:  Information relating to capabilities,  intentions,  and activities of foreign

powers, organizations, or persons, but not including counterintelligence, except for information on international terrorist activities.

FROG: Free Rocket Over Ground.

FSTC: Foreign Science and Technology Center (forerunner of the National Ground Intelligence Center in Charlottesville, Virginia).

Gaming: A process whereby individuals imagine themselves in the place of foreign decision makers and study their personal peculiarities and the intelligence available to them in order to interpret their current actions and predict future behavior.

GDIP: General Defense Intelligence Program

GMI: General Military Intelligence.

GOB: Ground Order of Battle.

GRU: Glavnoye Razvedyvatelnoye Upravleniye:  Russian Military Intelligence.

Host Nation: A nation which receives the forces and/or supplies of allied nations and/or NATO organizations to be located on, to operate in, or to transit through its territory.

HPSCI: House Permanent Select Committee on Intelligence.

Human Sources: A person who wittingly or unwittingly conveys by any means information of potential intelligence value to an intelligence activity.

HUMINT: Human Intelligence: A category of intelligence derived from information collected and provided by human sources.

Hyperspectral: A high spectral resolution sensor, having hundreds of spectral bands spread over a wide swath of the electromagnetic spectrum, each with resolution between 0.1 and 10 nanometers.

I&W: Indications and Warning: Those intelligence activities intended to detect and report time-sensitive intelligence information on foreign developments that could involve a threat to the United States or allied/coalition military, political, or economic interests or to US citizens abroad.

ICBM: Intercontinental Ballistic Missile:  a ballistic missile  with  a  range over  5,500 kilometers.

IDB: Integrated Data Base.

IG: Inspector General.

IIR: Intelligence Information Report.

Illegal: An officer or employee of an intelligence organization who is dispatched abroad and who has no overt connection with the intelligence organization with which he is connected or with the government operating that intelligence organization. Originally a Soviet term.

Illegal Residency: An intelligence apparatus  established in a foreign country  and  composed of one or more intelligence officers and which has no apparent connection with the sponsoring intelligence organization or with the government of the country operating the intelligence organization.

Illegal Agent: An agent operated by an illegal residency or directly by the headquarters of an intelligence organization.

Imagery: Collectively, the representations of objects reproduced electronically or by optical means on film, electronic display devices, or other media.

Imagery Exploitation:  The cycle of  processing  and   printing  imagery to the positive  or nega-

tive state, assembly into imagery packs, identification, interpretation, mensuration, information extraction, the preparation of reports, and the dissemination of information.

Imagery Interpretation:  The  process of  location,  recognition,  identification,  and description

  of objects, activities, and terrain represented on imagery.

Imaging Radar: A high resolution radar that is designed to provide data that can be used to determine the shape of targets such as tanks, aircraft, ships, or satellites.

IMINT: Imagery Intelligence:  intelligence derived from the exploitation of collection by visual photography, infrared sensors, lasers, electro-optics, and radar sensors such as synthetic aperture radar wherein images of objects are reproduced optically or electronically on film, electronic display devices, or other media.

In The Clear: Transmitted in plain language rather than being encrypted. Also referred to as plain text.

Indication: Information in various degrees of evaluation, all of which bears on the intention of a potential enemy to adopt or reject a course of action.

Indicator: In intelligence usage, an item of information which reflects the intention or capability of a potential enemy to adopt or reject a course of action.

Infiltration: The movement through or into an area or territory occupied by either friendly or enemy troops or organizations. The movement is made, either by small groups or by individuals, at extended or irregular intervals. When used in connection with the enemy, it infers that contact is avoided.  In intelligence usage, placing an agent or other person in a target area in hostile territory, and usually involves crossing a frontier or other guarded line.

Informant: A person who, wittingly or unwittingly, provides information to an agent, a clandestine service, or the police.

Information Report:  Report  used  to forward   raw information  collected  to fulfill intelligence

  requirements.

Information: Facts, data, or instructions in any medium or form.

Information Warfare:  Actions taken  to achieve information superiority  by affecting adversary

  information, information-based processes, information systems, and computer-based networks while leveraging and defending one’s own information, information-based processes, information systems, and computer-based networks. Also called IW.

INFOSEC: Information Security is the protection and defense of information and information systems against unauthorized access or modification of information, whether in storage, processing, or transit, and against denial of service to authorized users. Information security includes those measures necessary to detect, document, and counter such threats. Information security is composed of computer security and communications security.

Infrared Film: Film carrying an emulsion especially sensitive to “near-infrared.” Used to photograph through haze, because of the penetrating power of infrared light; and in camouflage detection to distinguish between living vegetation and dead vegetation or artificial green pigment.

Infrared Imagery: That imagery  produced as a result of sensing  electromagnetic radiations emitted or reflected from a given target surface in the infrared position of the electromagnetic spectrum (approximately 0.72 to 1,000 microns).

INR: Bureau of Intelligence and Research (State Department)

INSCOM: Intelligence and Security Command (Army)

Intelligence: The product resulting from the collection, processing, integration, analysis, evaluation, and interpretation of available information concerning foreign countries or areas.  Information and knowledge about an adversary obtained through observation, investigation, analysis, or understanding.

Intelligence Cycle:   The  steps  by  which  information is converted  into intelligence  and made

made available to users.

IOB: Intelligence Oversight Board (sometimes called the PIOB for President’s Intelligence Oversight Board)

IOC: Initial Operational Capability: date when a missile system is judged to have completed a successful R&D test program, been involved in some training, been deployed at an operational site or on an operational platform, and is capable of performing its assigned mission.

IR: Intelligence Report.

IRBM: Intermediate-Range Ballistic Missile: a ballistic missile with a range between 3,000 and 5,500 km.

IRINT: Infrared Intelligence is a subcategory of electro-optical that includes data collection across the infrared portion of the electromagnetic spectrum.  Spectral and thermal properties are measured.

IRS: Internal Revenue Service

JAC: Joint Analysis Center (the JIC for the European Command, located at Molesworth, England).

JCS: Joint Chiefs of Staff.

JIC: Joint Intelligence Center.

JMITC: Joint Military Intelligence Training Center (DIA)

Joint Intelligence Center:  Analytic element and  intelligence  production  center  supporting a

  Unified Command that also accomplishes DoDIPP shared production on topics/areas within the Command’s AOR for the DoDIPC.

JWICS: Joint Worldwide Intelligence Communications Systems

Key: The rules for organization or arrangement of letters within a CIPHER alphabet, the pattern of rearrangement in a trans-position CIPHER or the settings of a CIPHER machine.

KGB: Komitet Gosudarstvennoi Bezopasnosti (the Committee for State Security): an intelligence and security agency of the Soviet Union.

Known Facility: A facility that has been detected, confirmed, and categorized by function with some degree of confidence.

LASINT: Laser Intelligence: integration and specialized application of MASINT EO, and other collection to gather data on laser systems. The focus of the collection is on laser detection, laser threat warning, and precise measurement of the frequencies, power levels, wave propagation, determination of power source, and other technical and operating characteristics associated with laser systems — strategic and tactical weapons, range finders, and illuminators.

Leak: To disclose or compromise presumably classified information, intentionally or unintentionally.

Legal: An intelligence officer who holds a legitimate embassy position or is assigned to some other legitimate organization (a Soviet term).

Legal Residency: An intelligence apparatus in a foreign country  and composed of intelligence officers assigned as overt representatives of their government but not necessarily identified as intelligence officers.

LITINT: Literature Intelligence

Low Observable: Describes objects that have a reduced signature  in at least  one  part of the electromagnetic spectrum.

LRCM: Long-Range Cruise Missile: a cruise missile with a range over 600 km.

Maritime Intelligence:   Intelligence  relating  to all uses of the  world’s oceans,  including mili-

tary,  civil, and scientific.

MaRV: Maneuverable Reentry Vehicle: an RV capable of performing flight maneuvers during the reentry phase.

MASINT: Measurement and Signature Intelligence: scientific and technical intelligence obtained by quantitative and qualitative analysis of data (metric, angle, spatial, wavelength, time dependence, modulation, plasma, and hydromagnetic) derived from specific technical sensors for the purpose of identifying any distinctive features associated with the target. The detected feature may be either reflected or emitted.

Masking : An electronic warfare term for the use of additional transmitters to conceal the location, source, or purpose of a particular signal or other electromagnetic radiation.

Maskirovka: Literally camouflage – a form of support for combat operations, its purpose being to conceal the activities and disposition of friendly troops and to mislead the enemy with regard to the grouping and intentions of such troops.  Camouflage measures are also implemented in the deep rear, within the framework of civil defense. Although the term “Maskirovka” is often literally translated in the west as “camouflage,” the Russian connotation is far broader. It encompasses a doctrine, applicable in peacetime as well as combat, governing all measures to degrade or deny useful information to a foreign intelligence service.

Materials Intelligence: The collection, processing, and scientific analysis of gas,  liquid, or solid

or solid samples. Materials intelligence is critical to collection against nuclear, chemical, and biological warfare threats. It is also important to analyzing military and civil manufacturing activities, public health concerns, and environmental problems. Samples are collected by both automatic equipment, such as air samplers, and directly by humans with access to areas of interest. Samples, once collected, may be rapidly characterized or undergo extensive forensic laboratory analysis to determine the identity and characteristics of the sources of the samples.

Meaconing: A system of receiving radio beacon signals and rebroadcasting them on the same frequency to confuse navigation. The meaconing stations cause inaccurate bearings to be obtained by aircraft or ground stations.

Medical Intelligence:  That category of intelligence resulting from collection, evaluation, analy-

sis, and interpretation of foreign medical, bio-scientific, and environmental information which is of interest to strategic planning and to military medical planning and operations for the conservation of the fighting strength of friendly forces and the formation of assessments of foreign medical capabilities in both military and civilian sectors.  Also called MEDINT.

MIB: Military Intelligence Board.

MID: Military Intelligence Digest.

MIDB: Modern Integrated Data Base

MIJI: Meaconing, Intrusion, Jamming, and Interference.

MILCAP: Military Capabilities

Military Intelligence: Intelligence on any foreign military or  military-related  situation or acti-

vity which is significant to military policy-making or the planning and conduct of military operations and activities.

Military Intelligence Board:   The  senior decision-making  forum  for  substantive, budgetary,

and managerial issues.

Military Capabilities Study:   Baseline   DoD   study   of  the  military capabilities  of  a  given

country in a standardized format.

MIRV: Multiple Independently Targetable Reentry Vehicles: a payload package consisting of two or more Rvs, each of which is capable of being directed at a separate aiming point.

Misperception: The formation of an incomplete or inaccurate image or perception of some aspect of reality. The faulty image may be formed due to a lack of information or intentionally erroneous information provided to the perceiver.

Missile: An unmanned, self-propelled weapon whose trajectory or course, while in flight, is controlled.

Mock-Up: A three-dimensional model of an object, installation, or piece of equipment, normally full-sized, built for study, analysis, or training.  Although it can be misidentified as the genuine article, a mock-up is not normally intended to deceive.

MRBM: Medium-Range Ballistic Missile: a ballistic missile with a range between 1,000 and 3,000 km.

MRV: Multiple Reentry Vehicle: a payload package consisting of two or more RVs. The individual RVs are not independently targetable or maneuverable.

MSIC: Missile and Space Intelligence Center

Multi-Spectral Imagery:   The  image  of  an  object  obtained  simultaneously  in  a  number  of

of discrete spectral bands.

Multispectral Sensors:   Multispectral  sensor systems  are   detection  systems  that operate in

  two or more spectral bands; they can be a combination of active and passive sensors. They may also combine microwave radar, millimeter wave radar, laser radar, visual imaging infrared, and television.

Multispectral: Generally denotes remote sensing in two or more spectral bands, such as visible and infrared. Spectral imagery is data collected in a particular limited region or subset of the electromagnetic spectrum. Multispectral imagery is data collected simultaneously from two or more spectral regions or bands–the same scene is imaged in several spectral bands at the same time by the same sensor. A multispectral sensor has a broad bandwidth and can have “tens” of bands.

NASIC: National Air and Space Intelligence Center, formerly known as the National Air Intelligence Center (NAIC).  In the Cold War era, NASIC was called the Foreign Technology Division (FTD)

National Foreign Intelligence Board:  The  senior  Intelligence Community   advisory body of

body to the Director of Central Intelligence (DCI); it includes senior representatives from all organizations involved in the collection, processing, and analysis of intelligence. The intelligence chiefs of the military Services are observers. The Board is chaired by the DCI and reviews all substantive intelligence matters, including production, review, and coordination of all national foreign intelligence; arrangements with foreign governments on intelligence matters; and protection of intelligence sources and methods.

National Intelligence Estimate  (NIE):   A  strategic  estimate of the capabilities,  vulnerabili-

ties, and probable courses of action of foreign countries which is produced at the national level as a composite of the views of the Intelligence Community.  A thorough assessment of a situation in the foreign environment which is relevant to the formulation of a foreign, economic, and national security policy, and which projects probable future courses of action and developments. It is structured to illuminate different points of view within the Intelligence Community, and is issued by the Director of Central Intelligence (DCI) with the advice of the National Foreign Intelligence Board.

NFIB: National Foreign Intelligence Board.

NFIC: National Foreign Intelligence Community

NFIP: National Foreign Intelligence Program

NGA: National Geospatial-Intelligence Agency

NGIC: National Ground Intelligence Center

NIC: National Intelligence Council

NIE: National Intelligence Estimate.

NIMA: National Imagery and Mapping Agency — forerunner to the National Geospatial-Intelligence Agency (NGA).

NIO: National Intelligence Officer.

NIST: National Intelligence Support Team.

NMIC: National Maritime Intelligence Center (a building in Suitland, Maryland, which houses the Office of Naval Intelligence, Marine Corps Intelligence, and Coast Guard Intelligence): .

NMJIC: National Military Joint Intelligence Center

NOB: Naval Order of Battle.

Noise: Information or natural phenomena that interferes with the perception of signals of interest.  An unwanted receiver response, other than another signal (interference).  Noise may be audible in voice communication equipment or visible in equipment such as radar.

Notional: Fictitious, imaginary, existing only in the perception of the target.  Antonym of real, true, genuine, or legitimate.

NRO: National Reconnaissance Office

NSA: National Security Agency

NSC: National Security Council

NSRL: National SIGINT Requirements List

NSTL: National Strategic Threat List (FBI)

NUCINT: Nuclear Intelligence.

Nuclear Intelligence:  Information   derived   from    nuclear    radiation    and   other   physical

phenomena associated with nuclear weapons, reactors, processes, materials, devices, and facilities.  Nuclear monitoring can be done remotely or during on-site inspections of nuclear facilities.

OB: Order of Battle.

Obscurants: A gas, liquid, solid particle, or combination of these, either man-made (such as smoke) or natural (such as dust), suspended in the atmosphere, that may attenuate or block any portion of the electromagnetic spectrum. This can affect such things as visual observation, laser rangefinders or designators, radars, and thermal sites.

OEI: Office of Energy Intelligence

OMB: Office of Management and Budget

ONI: Office of Naval Intelligence

Open Source Intelligence:  Unclassified  data   available   to the  public,  either for free or for a fee, which has Intelligence value.  Also called OSINT.

Open: Not classified or concealed.

Operations Security: A process of identifying, analyzing, and reducing information and actions

attendant to friendly military operations which an adversary might exploit.  Those measures designed to protect information concerning planned, ongoing, and completed operations against unauthorized disclosure.

OPLAN: Operations Plan.

OPSEC: Operations Security.

OSD: Office of the Secretary of Defense.

OSINT: Open Source Intelligence.

OSIS: Open Source Information System

OSS: Office of Strategic Services

Overt Operation: An operation conducted openly, without concealment.

Overt: Open; done without attempt at concealment.

Passive: In surveillance, an adjective applied to actions or equipments which emit no energy capable of being detected.

PBV: Post-Boost Vehicle: a platform carried in a missile’s payload that is maneuvered by its own propulsion system to separately target the several RVs in a MIRV system.

PD: Presidential Directive

PDD: Presidential Decision Directive

PENAIDS: Penetration Aids: any devices which improve the warhead’s ability to successfully penetrate defenses. Such devices include decoys, thermal shrouds, chaff, jammers, etc.

Penetration: The recruitment of agents within or the infiltration of agents or technical monitoring devices in an organization or group for the purpose of acquiring information or of influencing its activities.

PFIAB: President’s Foreign Intelligence Advisory Board.  Former name of the PIAB

PGM: Precision-Guided Munition.

Photographic Intelligence:   The  collected  products  of photographic interpretation, classified

  and evaluated for intelligence use.  Also called PHOTINT or IMINT.

PIAB: President’s Intelligence Advisory Board

Piece: An item of information which, although seemingly unimportant in itself, is required to make some other piece of information clear or to verify some possibly misleading bit of evidence obtained through some means other than espionage.

PIOB: President’s Intelligence Oversight Board (sometimes called the IOB)

PIR: Priority Intelligence Requirements.

Plain Text: Normal text or language, or any symbol or signal, that conveys information without any hidden or secret meaning.

Plant: To insert information into a target’s intelligence channels.  An individual infiltrated into a foreign organization. False or misleading information that the target has been permitted or helped to collect.

Plausible Denial: Official disclaimer supported by a believable cover story.

Political Intelligence:  Intelligence  concerning   foreign  and  domestic  policies of governments

  and the activities of political movements.

Possible: A term used to qualify a statement made under conditions wherein some evidence exists to support the statement. This evidence is sufficient to warrant mention, but insufficient to warrant assumption as true.

Precision-Guided Munitions:  A weapon  that uses a  seeker  to detect  electromagnetic energy

reflected from a target or reference point, and through processing, provides guidance commands to a control system that guides the weapon to the target.

Priority Intelligence Requirements: Those intelligence requirements for which a commander

has an anticipated and stated priority in the task of planning and decision making.  Also called PIRs.

Probability of Damage:  The  probability  that  damage  will  occur  to  a  target expressed  as a

percentage or as a decimal.

Probable: A term used to qualify a statement made under conditions wherein the available evidence indicates that the statement is factual until there is further evidence in confirmation or denial.

Propaganda: Any form of communication in support of national objectives designed to influence the opinions, emotions, attitudes, or behavior of any group in order to benefit the sponsor, either directly or indirectly.  Any form of communication aimed at implanting data, ideas, or images in human minds to influence the thinking, emotions, or actions of individuals or groups.

Provocation: An incitement in intelligence and related operations designed to elicit a detectable reaction which can be turned to the originator’s advantage.

Psychological Warfare: The planned use of propaganda and other psychological actions having

the primary purpose of influencing the opinions, emotions, attitudes, and behavior of hostile foreign groups in such a way as to support the achievement of national objectives. Also called PSYWAR.

Psychological Operations:  Planned operations  to convey  selected information and indicators

to foreign audiences to influence their emotions, motives, objective reasoning, and ultimately the behavior of foreign governments, organizations, groups, and individuals. The purpose of psychological operations is to induce or reinforce foreign attitudes and behavior favorable to the originator’s objectives.  Also called PSYOP.

PSYOP: Psychological Operations.

PSYWAR: Psychological Warfare.

RADAR: Radio Detection and Ranging: a radio detection device that provides information on range, azimuth and/or elevation of objects.

Radar Absorbent Material:   Materials with  low surface reflectivity at radar frequencies.  The

  The performance of RAM is expressed in dB and is a ratio of the energy returned by the material to that returned by a flat metal plate.  Coatings applied to potential radar reflecting objects to attenuate or scatter the reflected radar energy.  A material that absorbs microwaves and prevents their reflection to the source.

Radar Absorbing Material:  A material, whether applied to or built into an object or applied to

or built into a cover that is then placed on an object, that absorbs microwaves and prevents their reflection to the source.

Radar Camouflage:  The  use of  radar absorbent   or   reflecting materials   to change the radar

radar echoing properties of a surface of an object.  The process of making an object less detectable by radar in the presence of system noise and target background clutter.

Radar Clutter: Unwanted signals, echoes, or images on the face of the display tube, which interfere with observation of desired signals.

Radar Coverage: The limits within which  objects can be detected by one or more radar stations.

Radar Cross Section   (RCS):   A  target’s  RCS  is  defined as 4(pi) times the ratio of the power

per unit solid angle reflected by the target in the direction of the illuminating source (radar) to the power per unit of the incident wave at the target.

Radar Imagery: Imagery produced by recording radar waves reflected from a given target surface. A radar image is formed by sending out radar pulses and recording the energy that returns to the sensor. It is often referred to as “nonliteral” because an object may look different than it does visually. This imagery can be collected day or night and in bad weather.

Radar Intelligence: Intelligence   derived    from    data    collected    by    radar.     Also   called

RADINT.  The active or passive collection of energy reflected from a target or object by line-of-sight, bi-static, or over-the-horizon radar systems.  RADINT collection provides information on radar cross sections, tracking, precise spatial measurements of components, motion and radar reflectance, and absorption characteristics for dynamic targets and objectives.

Radar Transparent Material:  Materials   which   do not   attenuate  radar  signals  when they

they pass through it.

RADINT: Radar Intelligence.

Radio Silence: A condition in which all or certain radio equipment capable of radiation is kept inoperative.

Radiofrequency (RF) Weapons:  A class of weapons  designed to cause physical destruction by

tion by coupling sufficient energy into the systems to burn out sensitive electronics. (e.g., electromagnetic-pulse (EMP) weapons).

RAM: Radar Absorbent Material or Radar Absorbing Material.

RCS: Radar Cross Section.

REC: Radio-Electronic Combat: the Russian term for Electronic Warfare.

Recce: Reconnaissance.

Reconnaissance: A mission undertaken to obtain, by visual observation or other detection methods, information about the activities and resources of an enemy or potential enemy, or to secure data concerning the meteorological, hydrographic, or geographic characteristics of a particular area.

Reconnaissance Photography:  Photography  taken  to  obtain  information  on  the  results of

bombing, or on enemy movements, concentrations, activities, and forces. The primary purposes do not include making maps, charts, or mosaics.

Remote Sensing: Remote sensing is a tool using scientific techniques to obtain information about phenomena without direct physical contact. The more common techniques employ imaging sensor systems and image processing to enhance and extract information of interest.

Repeater-Jammer:  A  receiver   transmitter   device  which  amplifies,  multiplies  and retransmits the signals received, for purposes of deception or jamming.

Resolution: A measurement of the smallest detail which can be distinguished by a sensor system under specific conditions.

RF: Radio Frequency.

RFI: Request for Information

RINT: Unintentional Radiation Intelligence.

Risk Management (RM):   A process by which decision makers reduce or offset risk.

Risk: Probability and severity of loss linked to hazards.

RPV: Remotely Piloted Vehicle

RTM: Radar Transparent Material.

Ruse: In military deception, a trick of war designed to deceive the adversary, usually involving the deliberate exposure of false information to the adversary’s intelligence collection system.

RV Weight: The total weight of the object which survives re-entry in delivering the warhead to the target.

S&TI: Scientific and Technical Intelligence

SAC: Strategic Air Command (now merged into the Air Combat Command).

Safe House: An innocent-appearing house or premises established by an organization for the purpose of conducting clandestine or covert activity in relative security.  A secure facility, unknown to adversary intelligence and security services, used for agent meetings, defector housing or debriefing, and similar support functions.

Sanitize: Revise a report or other document in such a fashion as to prevent identification of sources, or of the actual persons and places with which it is concerned, or of the means by which it was acquired. Usually involves deletion or substitution of names and other key details.

SAR: Synthetic Aperture Radar;  also Search and Rescue.

SCI: Sensitive Compartment Information

SCIF: Special Compartmented Information Facility.

SEAD: Suppression of Enemy Air Defenses.

Secure: In an operational context, to gain possession of a position or terrain feature, with or without force, and to make such disposition as will prevent, as far as possible, its destruction or loss by enemy action.

Security: Measures taken by a military unit, an activity or installation to protect itself against all acts designed to, or which may, impair its effectiveness.  With respect to classified matter, it is the condition that prevents unauthorized persons from having access to official information that is safeguarded in the interests of national security.

Security Classification:  A  category  to  which  national security  information  and  material is

assigned to denote the degree of damage that unauthorized disclosure would cause to national defense or foreign relations of the United States and to denote the degree of protection required.

Seismic Intelligence:  The  passive  collection  and  measurement  of  seismic waves  or vibra-

tions in the earth surface. (For example: seismic and hydro-acoustic systems detect, identify, and locate nuclear explosions on the earth’s surface, underground, and in the ocean.) .

Self Deception: Incorrect conclusions drawn by the target because of faulty reasoning, either with or without the assistance of the deceiver.

SIGINT: Signals Intelligence.

Signal: As applied to electronics, any transmitted electrical impulse. 

Signals Intelligence:  A category of intelligence comprising  either  individually  or  in combina-

tion all communications intelligence, electronics intelligence, and foreign instrumentation signals intelligence, however transmitted.  Also called SIGINT.

Signature: Any characteristic or series of characteristics by which a material may be recognized. Used in the sense of spectral signature, as in photographic color reflectance.  A category is said to have a signature only if the characteristic pattern is highly representative of all units of that category.

Signature Equipment:  Any item of equipment  which reveals  the type  and  nature of the unit

or formation to which it belongs.

SIO: Senior Intelligence Officer

Smoke Screen: Cloud of smoke used to mask either friendly or enemy installations or maneuvers.

SNIE: Special National Intelligence Estimate

SOCOM: Special Operations Command.

Source: A person, thing, or activity from which intelligence information is obtained.  In clandestine activities, a person (agent), normally a foreign national, in the employ of an intelligence activity for intelligence purposes.  In interrogation activities, any person who furnishes intelligence information, either with or without the knowledge that the information is being used for intelligence purposes.

Special Activities: Activities conducted  in support of  national foreign policy objectives which are planned and executed so that the role of the US Government is not apparent or acknowledged publicly.

Spectral Band: An interval in the electromagnetic spectrum defined by two wavelengths, frequencies, or wave numbers.

Spectrometer: A device to measure the spectral distribution of electromagnetic radiation.

SRBM: Short-Range Ballistic Missile: a ballistic missile with a range less than 1,000 kilometers.

SSCI: Senate Select Committee on Intelligence

Stealth: Describes objects that have a severely reduced signature in multiple spectral bands.

Strategic Warning:  A warning prior to the initiation of a threatening act.

Strategic Warning Lead Time:  That time between the receipt of strategic warning and the be-

ginning of hostilities.

Subversion: Action designed to undermine the military, economic, psychological, or political strength or morale of a regime.

Subversive Activity: Anyone lending  aid,  comfort,  and  moral  support  to  individuals, groups

groups or organizations that advocate the overthrow of incumbent governments by force and violence is subversive and is engaged in subversive activity. All willful acts that are intended to be detrimental to the best interests of the government and that do not fall into the categories of treason, sedition, sabotage, or espionage will be placed in the category of subversive activity.

Subversive Political Action:  A planned series of activities designed to accomplish political ob-

jectives by influencing, dominating, or displacing individuals or groups who are so placed as to affect the decisions and actions of another government.

Suppression of Enemy Air Defenses:  That  activity   which    neutralizes,   destroys,  or   tem-

porarily degrades surface-based enemy air defenses by destructive and/or disruptive means.  Also called SEAD.

Surveillance: A systematic observation of aerospace, surface or subsurface areas; persons, or things, by visual, aural, electronic, photographic, or other means.

Synthetic Aperture Radar: Creates a larger apparent antenna than is actually used by consis-

tently adding together (coherently integrating) the radar returns as the host platform moves along a track with respect to the target.  A SAR system coupled with advanced MASINT processing techniques provides a high resolution, day/night collection capability.  Such a capability can produce a variety of products such as change detection, terrain mapping, underwater obstacle detection, dynamic sensing of targets in clutter and radar cross-section signature measurements.

TAC: Tactical Air Command (now merged into the Air Combat Command).

Tactical Warning: A warning after initiation of a threatening or hostile act  based on an evaluation of information from all available sources.  In satellite and missile surveillance, a notification to operational command centers that a specific threat event is occurring.

Target Acquisition: The detection,  identification,  and  location of a target  in sufficient detail to permit the effective employment of weapons.

Target: A geographical area, complex, or installation planned for capture or destruction by military forces.   In intelligence, a country, area, installa-tion, agency, or person against which operations are directed.

Target Analysis: An examination of potential targets to determine military importance, priority of attack, and weapons required to obtain a desired level of damage or casualties.

Target Audience: An   individual  or   group   selected   for  influence  or  attack  by  means  of

  psychological operations.

Targeting: The process of selecting targets and matching the appropriate response to them, taking into account operational requirements and capabilities.

TEL: Transporter, Erector, Launcher.

Telemetry Intelligence:  Technical  intelligence   derived   from  the intercept,  processing,  and

  analysis of foreign telemetry.  Telemetry intelligence is a category of foreign instrumentation signals intelligence.  Also called TELINT.

TELINT: Telemetry Intelligence.

Terrain Intelligence:  Processed  information   on the military significance of natural and man-

made characteristics of an area.

Terrain Analysis: The collection,  analysis,  evaluation, and interpretation of geographic information on the natural and manmade features of the terrain, combined with other relevant factors, to predict the effect of the terrain on military operations.

Thermal Imagery: Imagery   produced  by  sensing  and  recording  the  thermal  energy emitted or reflected from the objects which are imaged.

Thermal: Information relating to heat or temperatures.

Throw-Weight: The weight above the final launch vehicle stage at the end of booster operation. This would include RVs and, if present, the PBV and any penetration aids.

TIARA: Tactical Intelligence and Related Activities

Traffic Analysis: The cryptologic discipline which develops information from communications about the composition and operation of communications structures and the organizations they serve. The process involves the study of traffic and related materials, and the reconstruction of communications plans, to produce signals intelligence.  Useful information such as traffic volume, direction of flow, etc. may be determined even if the encrypted messages cannot be decrypted.

UAV: Unmanned Aerial Vehicle.

UGF: Underground Facility.

Ultraspectral: A very high spectral resolution sensor having hundreds of spectral bands, each with resolution of less than 0.1 nanometer.

Ultraviolet Imagery: Imagery produced  as  a  result of  sensing  ultraviolet radiations reflected

from a given target surface.

UN: United Nations.

Underground Facility:   This  generic  term   refers to all types of underground hardened struc-

tures and facilities regardless of their depth (shallow or deep).

Unintentional Radiation Intelligence:  Involves the integration and specialized application of

MASINT collection, processing, and exploitation techniques against unintentional radiation sources that are incidental to the RF propagation and operating characteristics of military and civil engines, power sources, weapons systems, electronic systems, machinery, equipment, or instruments. These techniques may be valuable in detecting, tracking, and monitoring a variety of activities of interest.

Unmanned Aerial Vehicle:  A powered,  aerial vehicle   that   does  not  carry  a  human opera-

  tor, uses aerodynamic forces to provide vehicle lift, can fly autonomously or be piloted remotely, can be expendable or recoverable, and can carry a lethal or nonlethal payload. Ballistic or semiballistic vehicle.

USDAO: United States Defense Attaché Office.

UV: Ultraviolet.

UW: Unconventional Warfare.

Walk-In: An individual who offers his/her services to an intelligence service without being solicited. Walk-ins are of two categories: the amateur, whom the service generally presumes to have been compromised or observed by the opposition security service; and the professional who is presumably able to make his approach without detection.