WIKIARCHIVES.SPACE

Astronauts Walter M. Schirra Jr. (foreground), command pilot; and Thomas P. Stafford, pilot, arrive at Pad 19 during the Gemini-6 prelaunch countdown. NASA has planned Gemini-6 as a two-day mission in space. An attempt was made to launch Gemini-6 at 9:54 a.m. (EST) on Dec. 12, 1965. However, seconds after ignition, the first stage engine of the Gemini-6 launch vehicle shutdown due to a faulty release of a liftoff umbilical plug.