The Apollo 11 Saturn V space vehicle lifts off with Astronauts Neil A. Armstrong, Michael Collins and Edwin E. Aldrin Jr. at 9:32 a.m. EDT July 16, 1969, from Kennedy Space Center's Launch Complex 39A. During the planned eight-day mission, Armstrong and Aldrin will descend in a lunar module to the Moon's surface while Collins orbits overhead in the command module. The two astronauts are to spend 22 hours on the Moon, including two and one-half hours outside the lunar module. They will gather samples of lunar material and willl deploy scientific experiments which will transmit data about the lunar environment. They will rejoin Collins in the command module for the return trip to Earth