The Atlas-Centaur-52 launch vehicle on the launch pad. The Atlas-Centaur-52 placed the High Energy Astronomy Observatory-2 (HEAO-2) in orbit on November 13, 1978.
The Atlas-Centaur-52 launch vehicle on the launch pad. The Atlas-Centaur-52 placed the High Energy Astronomy Observatory-2 (HEAO-2) in orbit on November 13, 1978.