Gemini 8 (officially Gemini VIII) was the sixth crewed spaceflight in NASA's Gemini program. It was launched on March 16, 1966, and was the 14th crewed American flight and the 22nd crewed spaceflight overall. The mission conducted the first docking of two spacecraft in orbit, but also suffered the first critical in-space system failure of a U.S. spacecraft which threatened the lives of the astronauts and required an immediate abort of the mission. The crew returned to Earth safely.
Flown by pilot David Scott and command pilot Neil Armstrong, the flight marked the second time a U.S. civilian flew into space and the first time a U.S. civilian flew into orbit.
Command pilot Neil Armstrong resigned his commission in the U.S. Naval Reserve in 1960.( On August 29, 1951, Armstrong saw action in the Korean War as an escort for a photo reconnaissance plane over Songjin.[23]) His flight marked the second time a U.S. civilian flew into space (after Joe Walker on X-15 Flight 90), and the first time a U.S. civilian flew into orbit.
This became the prime crew on Gemini 11.
Walter Cunningham (Cape CAPCOM)
James A. Lovell (Houston CAPCOM)
Mass:
Perigee (min):
Apogee (max):
Inclination: 28.91°
Period: 88.83 min
March 16, 1966
Docked: 23:14 UTC
Undocked: ~23:45 UTC
Gemini VIII was planned to be a three-day mission. After being launched into an orbit, on the fourth revolution it was to rendezvous and dock with an Agena target vehicle, which had been earlier launched into a circular orbit. This was to be the first space docking in history. Four separate dockings were planned.
During the first docking, Pilot David Scott planned to perform an ambitious, two-hour-and-10-minute extra-vehicular activity (EVA), which would have been the first since Ed White's June 1965 spacewalk on Gemini IV. On a tether for one and a half revolutions around the Earth, Scott would have retrieved a nuclear emulsion radiation experiment from the front of the Gemini's spacecraft adapter, then activate a micrometeoroid experiment on the Agena.
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A space rendezvous (ˈrɒndeɪvuː) is a set of orbital maneuvers during which two spacecraft, one of which is often a space station, arrive at the same orbit and approach to a very close distance (e.g. within visual contact). Rendezvous requires a precise match of the orbital velocities and position vectors of the two spacecraft, allowing them to remain at a constant distance through orbital station-keeping. Rendezvous may or may not be followed by docking or berthing, procedures which bring the spacecraft into physical contact and create a link between them.
Docking and berthing of spacecraft is the joining of two space vehicles. This connection can be temporary, or partially permanent such as for space station modules. Docking specifically refers to joining of two separate free-flying space vehicles. Berthing refers to mating operations where a passive module/vehicle is placed into the mating interface of another space vehicle by using a robotic arm. Because the modern process of un-berthing requires more crew labor and is time-consuming, berthing operations are unsuited for rapid crew evacuations in the event of an emergency.
The National Aeronautics and Space Administration (NASA ˈnæsə) is an independent agency of the U.S. federal government responsible for the civil space program, aeronautics research, and space research. Established in 1958, NASA succeeded the National Advisory Committee for Aeronautics (NACA) to give the U.S. space development effort a distinctly civilian orientation, emphasizing peaceful applications in space science.