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...

of upper stages. Together with the Agena upper stage, Thor was the booster of the Thor-Agena vehicle used to launch the early Corona (also known as "Keyhole"...

and the Agena Target Vehicle used to demonstrate rendezvous and docking during Project Gemini. It was used as an upper stage on the Atlas, Thor, Thorad...

Thor DM-18 Agena or just Thor-Agena was a series of orbital launch vehicles. The launch vehicles used the Douglas-built Thor first stage and the Lockheed-built...

Thorad-Agena was an American expendable launch system, derived from the Thor and Delta rockets. The first stage of the rocket was a stretched Thor variant...

Base). The earliest Agena variant was the Agena A in 1959–60, which did not have restart capability, mostly flown on Thor-Agena boosters for the Discoverer...

Thor DM-18 Able launches List of Thor-Agena launches List of Thor DM-18 Agena-A launches List of Thor DM-21 Agena-B launches List of Thor DM-21 Agena-D...

launched from Vandenberg AFB aboard a Thor-Agena D launch vehicle (Thor 360) at 00:00:00 GMT on 18 March 1963. It was the first of three KH-6 LANYARD launches...

Thor DM-18 Agena A or just Thor-Agena was a series of orbital launch vehicles. The rockets used the Douglas-built Thor first stage and the Lockheed-built...

Thor DM-21 Agena-D or just Thor-Agena was an orbital launch vehicle. The launch vehicles used the Douglas-built Thor first stage and the Lockheed-built...