On Sept. 14, 1966, NASA's Gemini 11 mission set an all-time spaceflight altitude record when two astronauts reached an orbit of 850 miles above the Earth. This remains the highest altitude ever ...

Gemini 11 astronauts Charles "Pete" Conrad and Richard "Dick" Gordon did not live to see their record broken. (Conrad died in 1999 and Gordon in 2017.) They achieved their altitude by first ...

During the Gemini 10 and 11 missions they did just that. The right-seaters on those missions (Michael Collins on Gemini 10 and Dick Gordon on Gemini 11) ended one of their long digital ...

“They really had to eyeball their way in,” wrote an admiring Slayton. Soon after that, Gemini 11 in September 1966 achieved an Agena-D docking on its first orbit, 85 minutes after ...