Thor 163 with Agena 1022 was the first Thor-Agena launch vehicle. It lifted Discoverer 1 from Vandenberg on 28 February 1959 in the first U.S. attempt to place a satellite into polar orbit and inaugurated the Thor-Agena/Discoverer launch lineage.
Thor 163 with Agena 1022 was the first Thor-Agena launch vehicle. It lifted Discoverer 1 from Vandenberg on 28 February 1959 in the first U.S. attempt to place a satellite into polar orbit and inaugurated the Thor-Agena/Discoverer launch lineage.