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tone down a form of camouflage in which surfaces of objects are made to blend in with their surroundings.

tracer bullets treated to create a glowing trajectory.

trench burial a quick burial method employed when casualties are heavy.

triage the evaluation and classification of casualties to determine the order and type of medical attention needed.

vesicant agent see blister agent.

vulcan an army air defense artillery gun that pro­vides low-altitude air defenses; it is a six-barreled, 20mm rotary-fired weapon.

zulu time Greenwich Mean Time.

electronic warfare

(radar, electronic deception, etc.)

balloon reflector a balloon-supported confusion reflector producing false echoes.

barrage simultaneous electronic jamming over a wide area of frequency spectrum.

burn-through range the distance at which a specific radar can discern targets through the external inter­ference being received.

chaff radar confusion reflectors, which consist of thin, narrow metallic strips of various lengths and frequency responses, used to reflect echoes for confu­sion purposes.

clutter permanent echoes, clouds, or other atmo­spheric echo on radar scope.

crystal ball radar scope.

doppler radar a radar system that differentiates between fixed and moving targets by detecting the apparent change in frequency.

electromagnetic intrusion the intentional inser­tion of electromagnetic energy into transmission paths in any manner, with the objective of deceiving operators.

electronic imitative deception the introduction into the enemy electronic systems of radiations imitat­ing the enemy's own emissions.

electronic jamming the deliberate radiation, rera- diation, or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices and systems.

electronic manipulative deception the alteration of friendly electromagnetic emission characteristics, pat­terns, or procedures to eliminate revealing, or convey misleading, indicators that may be used by hostile forces.

gadget radar equipment. May be followed by a color to indicate state of jamming. The color code used is green—clear of jamming; amber—sector par­tially jammed; red—sector completely jammed.

gull a floating radar reflector used to simulate a sur­face target at sea for deceptive purposes.

masking the use of additional transmitters to hide a particular electromagnetic radiation as to location of source and/or purpose of the radiation.

meaconing a system of receiving radio beacon sig­nals and rebroadcasting them on the same frequency to confuse navigation.

music in air intercept, electronic jamming.

radar beacon a receiver-transmitter that sends out a code signal when triggered by the proper type of pulse, enabling determination of range and bearing information by the interrogating station or aircraft.

radar camouflage the use of radar absorbent or reflecting materials to change the radar echoing prop­erties of a surface of an object.

radar fire gunfire aimed at a target that is tracked by radar.

radar netting the linking of several radars to a sin­gle center to provide integrated target information.

radar picket any ship, aircraft, or vehicle stationed at a distance from the force protected for the purpose of increasing the radar detection range.

radar tracking station a radar facility that tracks moving targets.

radiation intelligence intelligence derived from the electromagnetic emissions of enemy equipment.

radio deception sending false dispatches, using deceptive headings, employing enemy call signs, and so on, over the radio to deceive the enemy.

radio silence a condition in which all or certain radio equipment capable of radiation is kept inopera­tive.

SIGINT signals intelligence. Personnel and equip­ment employed in gathering and processing signals intelligence.

INTELLIGENCE, ESPIONAGE, DECEPTION, AND PSYCHOLOGICAL WARFARE

accommodation address a secure address from which an agent may communicate with his superiors. The accommodation may be perfectly innocent but may also only appear that way to the public.

acoustical surveillance employment of electronic devices, including sound-recording, receiving, or trans­mitting equipment, for the collection of information.

acoustic intelligence intelligence derived from the collection and processing of sound.

agent one who is employed by an intelligence agency to gather intelligence. In the CIA, an agent is directed by a case officer.