The 311th Fighter Squadron (Sidewinders) is part of the 54th Fighter Group at Holloman Air Force Base, New Mexico which is a geographically separated unit under the 56th Fighter Wing at Luke Air Force Base, Arizona. It operates the General Dynamics F-16 Fighting Falcon aircraft conducting advanced fighter training. The squadron previously operated the Fighting Falcon conducting advanced fighter training at Luke and was inactivated due to budget constraints after the end of the Cold War. It was recently reactivated at Holloman and the aircraft were received from the 309th Fighter Squadron.