Buzz Lightyear and the attractions in Disney Parks. Buzz's name was inspired by Apollo 11 astronaut Edwin "Buzz" Aldrin, the second person to walk on the Moon. According to an interview with Pixar producers in "Entertainment Weekly", the character was provisionally named Lunar Larry, but it sounded "too wacky", so while trying to rechristen him "we went through some space terms and the word "light-year" came up, and the coolest astronaut name was Buzz Aldrin." Aldrin acknowledged the tribute when he pulled a Buzz Lightyear doll out during a speech at NASA, to rapturous cheers. A clip of this can be found
Buzz Aldrin (CMP) and Aldrin as Lunar Module Pilot (LMP). Their assignment as the backup crew of Apollo 9 was officially announced on November 20, 1967. Due to design and manufacturing delays in the lunar module (LM), Apollo 8 and Apollo 9 swapped prime and backup crews, and Armstrong's crew became the backup for Apollo 8. Under the normal crew rotation scheme, Armstrong was then expected to command Apollo 11. Michael Collins, the CMP on the Apollo 8 prime crew, experienced trouble with his legs that doctors diagnosed as a requiring surgery. Lovell took his place on the Apollo 8 crew. When