The 53 WG is headquartered at Eglin and serves as the Air Force's focal point for operational test and evaluation of armament and avionics, aircrew training devices, chemical defense, aerial reconnaissance improvements, electronic warfare systems, and is responsible for the QF-4 Phantom II Full Scale Aerial Target (FSAT) program and subscale drone programs (located at Tyndall Air Force Base, Florida). The wing tests every fighter, bomber, unmanned aerial vehicle, and associated weapon system in the Air Force inventory. The wing reports to the USAF Air Warfare Center at Nellis Air Force Base, Nevada, a Direct Reporting Unit (DRU) to Headquarters, Air Combat Command (ACC).