The 77th Aeronautical Systems Wing is a key unit within the United States Air Force. Its primary function is to develop, acquire, test, and sustain airborne systems for the Department of Defense. This includes aircraft, missiles, and associated support equipment. The wing operates under the Air Force Materiel Command, with its headquarters stationed at Wright-Patterson Air Force Base in Ohio. The 77th ASW's work contributes significantly to the modernization and readiness of the U.S. military's aeronautical capabilities.