Discoverer 3 - Space launch mission detailed information
Discoverer 3 3
3 JUN 1959
United States Air Force
Space Launch Complex 1W
The Discoverer 3 reconnaissance satellite failed to reach orbit due to a failure of the Agena A upper stage.
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.