Buzz Aldrin that he thought Aldrin "resents not being first on the moon more than he appreciates being second." Aldrin and Armstrong did not have time to perform much geological training. The first lunar landing focused more on landing on the Moon and making it safely back to Earth than the scientific aspects of the mission. The duo were briefed by NASA and USGS geologists. They made one geological training expedition to west Texas. The press followed them, and a helicopter made it hard for Aldrin and Armstrong to hear their instructor. An estimated one million spectators watched the launch of Apollo
Buzz Aldrin Collins recovered he joined Armstrong's crew as CMP. In the meantime, Fred Haise filled in as backup LMP, and Aldrin as backup CMP for Apollo 8. An effect of this was that while the CMP usually occupied the center couch on takeoff, Aldrin occupied it rather than Collins, as he had already been trained in it before Collins arrived. Apollo 11 was the second all-veteran multi-person crew on an American mission, the first being that of Apollo 10. An all-veteran crew would not be flown again until STS-26 in 1988. Early versions of the EVA checklist had the Lunar Module