Gila Bend Air Force Auxiliary Field is a United States Air Force auxiliary airfield used as an emergency landing facility by Luke Air Force Base and Davis-Monthan Air Force Base aircraft and units from other nearby bases using the Barry M. Goldwater Air Force Range complex. The airfield is located 3.5 miles south of Interstate 8 and the central business district of Gila Bend, in Maricopa County, Arizona, United States.