NASA Space Flight Medal
Overmyer was awarded the Air Force Meritorious Service Medal in 1969 for duties with the USAF Manned Orbiting Laboratory program; the Marine Corps Meritorious Service Medal in 1978 for duties as the chief chase pilot and support crewman for the Shuttle Approach and Landing Test Program; an Honorary Doctor of Philosophy degree from Baldwin Wallace College, December 1982; the U.S. Naval Postgraduate School Distinguished Engineers Award in January 1983; the Distinguished Flying Cross (1983); and the NASA Space Flight Medal (1983).