1963 US Army Vietnam War Armor Operations ... - Survival Books

WWW.SURVIVALEBOOKS.COMFigure 68. Direct illumination.of fire, the operation plan, and the surveillance individual and crew-served weapons. Thisplan. Passive night vision equipment is ideally equipment may be used in conjunction withsuited to operations requiring stealth and individual and crew-served weapons or onlysecrecy. Authority to use passive night vision for surveillance.equipment is generally given with its issuance b. Unit Use. Passive night vision systemsto the unit. Normal observation techniques are should be integrated into surveillance, security,followed, with appropriate changes, in the use and fire plans. Passive and active night visionof passive night vision equipment.measures are effectively used in a comple-12. Low Light Level Image Intensification mentary role; however, both systems are(LLLII)capable of independent use. The initial searchThis system uses natural light from the night of the area being observed is made with passivesky reflected by the target. It produces a useful night vision equipment. Upon detection of avisible image in a viewing scope that is essen- suspected target active night vision equipmenttially the same as a near IR viewing scope. Fog, (if authorized) may be employed to identifyhaze, rain, and snow reduce the effectiveness positively the suspected target. An exarmpleof the system.would be the passive use of a metascope or IRbinoculars to survey an area for active illumination.Upon detecting IR emissions, activeThis night vision system uses a scope that visible or nonvisible illumination could be usedreceives and amplifies far R radiations from aefiretarget and presents an image of this target. toidentifthesuspectedtargetandtoplacefireFar IR radiations are produced by objects that on it. The control of active illumination equipgenerateheat, such as internal combustion ment is vested in the commander having directengines or the human body. Since most military control of the operation.targets emit more heat than their natural surroundings,they can be detected with far IR 15. Searchlightsequipment even though camouflaged. This The employment of tank-mounted searchequipmentis affected less by fog, haze, rain, lights is based on certain techniques of positionandsnow than near IR or LLLII night vision ing lights, combining lights, and turning onequipment.lights. Lights must be controlled and their14. Employment of Passive Night Vision effect on the enemy must be considered. ForSystemsfire commands used to control searchlights anda. Individual Use. Passive night vision for techniques of target engagements see FMequipment will be used at the same level as 17-12.306 AGO 93lsa