Aircrew Flight Equipment
U.S. Air Force Tech. Sgt. Mark Natividad, 4th Operations Support Squadron NCO in charge of airfield flight equipment at Seymour Johnson Air Force Base, N.C., installs a visor on an F-15E Strike Eagle pilot’s helmet March 10, 2014, at Nellis AFB, Nev. During Red Flag 14-2, Natividad was charged with ensuring all helmets, oxygen systems and emergency flight equipment were serviceable when aircrew members stepped to their aircraft. (Air Force photo/Staff Sgt. Chuck Broadway)