First female F-35 pilot begins training
Lt. Col. Christine Mau, the 33rd Operations Group deputy commander, puts on her helmet before taking her first flight in the F-35A Lightning II at Eglin Air Force Base, Fla., May 5, 2015. Mau, who previously flew F-15E Strike Eagles, made history as the first female F-35 pilot in the program. (U.S. Air Force photo/Staff Sgt. Marleah Robertson)