Lockheed Martin test pilot Paul Hattendorf was at the controls of F-35A AF-1 for a maximum asymmetrical load flight test on 13 March 2015. The test, flown from Edwards AFB, California, involved takeoffs and landings and up and away flight with two 500-pound GBU-12 bombs and an AIM-9X on the left wing as well as a 2,000-pound GBU-31 bomb and an AIM-120 missile in the left weapons bay.