Gemini 7
Gemini 7 was a significant space mission conducted by NASA in December 1965. It was the 12th crewed flight in the Gemini program and aimed to test long-duration spaceflight capabilities. The mission lasted 14 days, setting a record for the longest time spent in space at that time.
The crew consisted of astronauts Frank Borman and James Lovell. During the mission, they conducted various experiments and demonstrated the ability to maintain life support systems over extended periods. This mission provided valuable data that contributed to future Apollo missions and the overall understanding of human spaceflight.