A disassembled aircrew mask waits to be inspected then re-assembled by 379th Expeditionary Operations Support Squadron Aircrew Flight Equipment airmen to proper working order for a B-1 Bomber aircrew member July 29, 2015 at Al Udeid Air Base, Qatar. B-1 Bomber aircrews rely on AFE airmen’s proficiency to ensure proper function of helmets, life preservers, communication modules and other types of equipment used during flight or in case of an emergency. (U.S. Air Force photo/Staff Sgt. Alexandre Montes)