On Nov. 11, 1966, the Gemini 12 mission launched an astronaut crew into orbit and set the stage for NASA's Apollo program to land humans on the moon. Gemini 12 was the last mission of the Gemini program. It had two astronauts on board: Jim Lovell and Buzz Aldrin. NASA wanted to send humans to the moon. But first, it needed to make sure crews had the right skills, like docking vehicles in space and taking spacewalks. Before Gemini 12, astronauts …