Neil Armstrong December 23, 1968, as Apollo 8 orbited the Moon. In a meeting that was not made public until the publication of Armstrong's biography in 2005, Slayton told him that although the planned crew was Commander Armstrong, Lunar Module Pilot Buzz Aldrin, and Command Module Pilot Michael Collins, he was offering Armstrong the chance to replace Aldrin with Jim Lovell. After thinking it over for a day, Armstrong told Slayton he would stick with Aldrin, as he had no difficulty working with him and thought Lovell deserved his own command. Replacing Aldrin with Lovell would have made Lovell the lunar module
History of spaceflight out by NASA. The programs goal was to orbit and land manned vehicles on the moon. The program ran from 1969 to 1972. Apollo 8 was the first manned spaceflight to leave earth orbit and orbit the Earth's moon on December 21, 1968. Neil Armstrong and Buzz Aldrin became the first men to set foot on the moon during the Apollo 11 mission on July 20, 1969. The Skylab programs goal was to create the first space station of NASA. The program marked the last launch of the Saturn V rocket on May 19, 1973. Many experiments were performed on