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Spacecraft of the United States
Motorized OntheSurface Lunar Exploration Activities
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Aeronautics and Space altitude apogee Apollo 11 Apollo spacecraft apolune April astronauts August cabin carried carrier rocket command module command-service module cosmonauts Crater crew December earth orbit earth's atmosphere engine equipped excursion experiments exploration extravehicular activities feet Gemini Gemini VII Gemini XI gravity ground control instruments interplanetary January jettisoned July June Jupiter landing lift-off Luna lunar orbit lunar soil lunar surface lunar-excursion module malfunction maneuvers Mariner Mars miles an hour million miles minutes to complete moon moon's surface NASA National Aeronautics November October onboard perigee perilune Photo photographs Pioneer planet radiation radio recovery ship reentry rendezvous and docking return to earth Rover satellite Saturn IB scheduled scientific service module Skylab Skylab-3 soft-landed Soviet space Soviet Union Soyuz spacecraft Space Administration space capsule space flight space station spaceship splashdown telescopic television camera third stage trajectory transmitted traveling United unmanned Venera Venus weightlessness Western space