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The Apollo rockets were the rockets used during the United States' journeys to the moon. There were a total of 11 Apollo crafts but only six were used to land men on the moon. Apollos 7 and 9 were Earth orbiting missions to test the Command and Lunar Modules, and did not return lunar data. Apollos 8 and 10 tested various components while orbiting the Moon, and returned photography of the lunar surface. The infamous Apollo 13 malfunctioned and had to completely orbit the moon before returning to Earth. The rest however, Apollos 11, 12, 14, 15, 16, and 17, were successful at landing men on the moon. The most famous engine in these rockects was the Saturn V (read more about it in the Saturn V section). However the Apollos could not land on the moon because they were so big so they had Lunar Modules that detached and carried the men to the moon's surface. During the last three missions a Lunar Rover ws carried along in the Lunar Module so the astronauts could drive over the moon's surface and explore. Below is a table of when the Apollo's were launched from http://nssdc.gsfc.nasa.gov/planetary/lunar/apollo.html:
Apollo 4
Launched 9 November 1967
First all-up launch of Saturn V
Apollo 5
Launched 22 January 1968
First test of Lunar Module in space
Apollo 6
Launched 4 April 1968
Final uncrewed Apollo test flight
Apollo 7
Launched 11 October 1968
First crewed Apollo flight
Splashdown 22 October 1968
Apollo 8
Launched 21 December 1968
Lunar Orbit and Return
Returned to Earth 27 December 1968
Apollo 9
Launched 03 March 1969
First crewed Lunar Module test
Splashdown 13 March 1969
Apollo 10
Launched 18 May 1969
Lunar Orbit and Return
Returned to Earth 26 May 1969
Apollo 11
Launched 16 July 1969
Landed on Moon 20 July 1969
Sea of Tranquility
Returned to Earth 24 July 1969
Apollo 12
Launched 14 November 1969
Landed on Moon 19 November 1969
Ocean of Storms
Returned to Earth 24 November 1969
Apollo 13
Launched 11 April 1970
Lunar Flyby and Return
Malfunction forced cancellation of lunar landing
Returned to Earth 17 April 1970
Apollo 14
Launched 31 January 1971
Landed on Moon 5 February 1971
Fra Mauro
Returned to Earth 9 February 1971
Apollo 15
Launched 26 July 1971
Landed on Moon 30 July 1971
Hadley Rille
Returned to Earth 7 August 1971
Apollo 16
Launched 16 April 1972
Landed on Moon 20 April 1972
Descartes
Returned to Earth 27 April 1972
Apollo 17
Launched 07 December 1972
Landed on Moon 11 December 1972
Taurus-Littrow
Returned to Earth 19 December 1972
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