KH-4 21 - Space launch mission detailed information
KH-4 21 21
12 JUN 1963
United States Air Force
Space Launch Complex 1W
The KH-4 (Keyhole-4) was fourth version in the Corona-program to build an optical reconnaissance satellite.
Thor SLV-2A Agena D
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.