Buzz Aldrin "First on the Moon: The Untold Story", Aldrin told an interviewer that they saw an unidentified flying object. He told David Morrison, a NASA Astrobiology Institute senior scientist, in 2006 that the documentary makers omitted the crew's conclusion that they probably saw one of the four detached spacecraft adapter panels. Their S-IVB upper stage was away, but the four panels had been jettisoned before the separation maneuver so they would closely follow the Apollo 11 spacecraft until the first mid-course correction. When Aldrin appeared on "The Howard Stern Show" on August 15, 2007, Stern asked him about the supposed UFO
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