Thor-Agena
Launch vehicle
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Thor-Agena was a series of orbital launch vehicles. The launch vehicles used the Douglas-built Thor first stage and the Lockheed-built Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket... Wikipedia
Diameter: 2.44 m (8 ft 0 in)
First flight: 21 January 1959
Last flight: 17 January 1968
Launch sites: Vandenberg Air Force Base
Mass: Thor-Agena A: 53,130 kg (117,130 lb); Thor-Agena B: 56,507 kg (124,577 lb); Thor-Agena D: 56,507 kg (124,577 lb)
Status: Retired
Total launches: 145