Which Gemini space mission was launched first, Gemini 6 or Gemini 7?
Gemini 7 was launched on a long duration (14 days) space flight on December 4, 1965.
Gemini 6 was launched on December 15, 1965. The main purpose of this launch was to catch up to Gemini 7 and rendezvous in flight, paving the way for subsequent space flights to rendezvous, a necessity for getting to the moon.
Gemini 6 was to launch on December 12, however a failure in an engine shut the launch down automatically.
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