Buzz Aldrin from the Psalms comes to mind to me. 'When I consider the heavens, the work of thy fingers, the moon and the stars which thou hast ordained, what is man that thou art mindful of him?'". Preparations for the EVA began at 23:43. Once Armstrong and Aldrin were ready to go outside, "Eagle" was depressurized, and the hatch was opened at 02:39:33 on 21 July. Aldrin set foot on the Moon at 03:15:16 on July 21, 1969 (UTC), nine minutes after Armstrong first touched the surface. Armstrong and Aldrin became the first and second people, respectively, to walk on the
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