Mercury-Atlas 4 - Space launch mission detailed information
Mercury-Atlas 4 4
13 SEP 1961
National Aeronautics and Space Administration
Launch Complex 14
Mercury-Atlas 4 was an uncrewed suborbital test flight of the Mercury program.
The Atlas LV-3B, Atlas D Mercury Launch Vehicle or Mercury-Atlas Launch Vehicle, was a human-rated expendable launch system used as part of the United States Project Mercury to send astronauts into low Earth orbit. Manufactured by American aircraft manufacturing company Convair, it was derived from the SM-65D Atlas missile, and was a member of the Atlas family of rockets.