Staff Sgt. Christopher Longueira, 552nd Aircraft Maintenance Squadron dedicated crew chief, gives a "thumbs up" to the aircrew on an E-3 Sentry March 8, 2016, during Red Flag 16-2 at Nellis Air Force Base, Nevada. It takes a crew of more than 20 Airmen to accomplish multiple command and control tasks for each E-3 mission. (U.S. Air Force photo/Staff Sgt. Chuck Broadway)