a space radar. NASA had planned extensively for the Gemini rendezvous maneuvers, building a special spacecraft just for the purpose. The Gemini-Agena Target Vehicle (GATV) was an Agena-D rocket ...

Tumbling Through Space On the next Gemini mission, Neil Armstrong and David Scott docked their craft with an unmanned Agena craft before a harrowing problem with the engine cut the mission short.

As the name suggests, space docking is essentially a process by which two fast-moving spacecraft are put into the same orbit, ...