Protecting lives 30,000 feet above earth Published Aug. 1, 2012 By Tech. Sgt. Chuck Walker 436th Airlift Wing Public Affairs DOVER AIR FORCE BASE, Del. -- Aircrew flight equipment members maintain and control the life-support and survival equipment used by military aircrews mid-flight. Whether it is oxygen masks, parachutes or inflatable rafts and slides, the AEF team looks out for their wingman flying overhead.