Lt. Col. Merryl Tengesdal stands in front of a U-2 Feb. 9, 2015, at Beale Air Force Base, Calif. Tengesdal is the only black female U-2 pilot in history. Tengesdal is the 9th Reconnaissance Wing inspector general and a U-2 pilot. (U.S. Air Force photo/Senior Airman Bobby Cummings)