U.S. Air Force Senior Master Sgt. Daniel Henderson, 20th Aircraft Maintenance Squadron, 55th Aircraft Maintenance Unit, “Shooters” assistant superintendent, descends the ladder of an F-16CM Fighting Falcon, prior to 1st Lt. Brian Davis, 55th Fighter Squadron F-16 pilot, taking off at Nellis Air Force Base, Nevada, Oct. 10, 2017. The F-16 has been operational since 1979, lasting through several generations of pilots as a compact, multi-role fighter aircraft providing attack airpower and the suppression of enemy air defenses. (U.S. Air Force photo by Lawrence Crespo)