Vela 3A & 3B - Space launch mission detailed information
Vela 3A & 3B
20 JUL 1965
United States Air Force
Space Launch Complex 13
The Vela (meaning "watchman" in Spanish) series of spacecraft were designed to monitor worldwide compliance with the 1963 nuclear test ban treaty.
Atlas LV-3 Agena D
The Atlas-Agena was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was launched 109 times between 1960 and 1978.