Gemini 4 featured the first space-walk. Gemini 5, the first use of oxygen-hydrogen fuel cells. Gemini 6 made the first-ever orbital rendezvous, with Gemini 7, which was then making the first-ever ...

Something similar happened with the U.S. manned space program in the 60s ... prevented the crew from completing the experiments. Gemini 7 as Gemini 6A approaches. Note the single spiral ...

By week’s end, as Gemini 7 completed its seventh uneventful day in space, the flight had indeed escaped the spine-tingling crises that enlivened—and plagued—earlier shots. But the ennui in ...