This week in Edwards history Published July 27, 2017 By 412th Test Wing Public Affairs EDWARDS AIR FORCE BASE, Calif. -- On July 26, 1958, test pilot Capt. Iven Kincheloe Jr. was killed following an unsuccessful ejection when his F-104 suffered an engine failure on takeoff. A Korean War fighter pilot, Kincheloe had been assigned to Edwards in the mid-1950s as a test pilot where he flew many of the new “Century” series fighters, such as the F-101, F-102, F-104 and F-105, and had been chosen as the Air Force’s lead test pilot for the X-15.