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Aircrew survival equipmentman
Aircrew survival equipmentmen are survival equipment specialists and certified parachute riggers who oversee valuable life saving equipment, parachutes, and other special gear used by U.S. Naval and Marine Corps special operations forces, Naval Air Department, and the U.S Parachute Demonstration Team known as the "Leap Frogs". They perform a wide range of duties, which include inspecting, maintaining, and repairing parachutes, search and rescue equipment, along with survival kits, medical kits, flight clothing, protective wear, night vision equipment, aircrew oxygen systems, liquid oxygen converters, anti-exposure suits, and anti-gravity suits. PRs operate and maintain carbon dioxide transfer and recharge equipment, operate and repair sewing machines as well as train aircrew and other personnel in parachute rigging and the use of safety and survival equipment.
==History==
The PR rating was established in 1942 to help meet World War II parachute survival requirements. When founded, the PR rating consisted only of the general service rating with career progression from striker status through PRC. Due to safety reasons service members are no longer allowed to "strike" for PR and must attend the appropriate technical schools to be designated in this rating. The original title of the rating was parachute rigger. The rating title was changed to its present title of aircrew survival equipmentman in December, 1965. The reason for changing the title from parachute rigger to aircrew survival equipmentman was to provide a more realistic description of the types of duties performed by PRs. However, aircrew survival equipmentmen maintained their official abbreviated title of "PR" after the 1965 name change.
Following a fatal training accident in the 1980s, students are no longer required to complete the basic parachute jump to earn their rating badge.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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