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 United States Navy Parachute 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 g-suits.

Source: Wikipedia — Aircrew survival equipmentman (CC BY-SA 4.0)