B-52
Engineers conduct testing on a B-52 system at Edwards Air Force Base, Calif. The AIR FORCE TEST CENTER conducts developmental and follow-on testing and evaluation of manned and unmanned aircraft and related avionics, flight-control, munitions, and weapon systems. It has flight-tested every aircraft in the Army Air Force's and the Air Force's inventory since World War II. AFTC also operates the Air Force Test Pilot School.