Buzz Aldrin because of a lawsuit brought by atheist activist Madalyn Murray O'Hair over the reading of Genesis on Apollo 8. Mindful of this controversy, NASA management had warned the Apollo 11 crew against making any explicit religious comments during the flight. Aldrin used a home communion kit given to him by his pastor at Webster Presbyterian Church, Dean Woodruff. He later noted: "It was interesting to think that the very first liquid ever poured on the Moon, and the first food eaten there, were communion elements." On reflection, Aldrin felt that "if I had it to do over again, I would
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