Gemini 5, the dress rehearsal for the first rendezvous mission, was supposed to test the radar using a Radar Evaluation Pod, which was essentially the transponder from GATV which the crew could ...

The first such human rendezvous in space was conducted on December 15, 1965, by those aboard the Gemini VI and Gemini VII spacecraft. Gemini VI and VII, however, were never meant to fly together ...