Discoverer 12 - Space launch mission detailed information
Discoverer 12 12
29 JUN 1960
United States Air Force
Space Launch Complex 1W
Discoverer 12 was an American optical reconnaissance satellite. The fourth of five test flights of the Corona KH-1 spy satellite series. It was lost when the second stage failed during launch.
Thor Agena A
Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.