USS Hornet (CV-12) 27 March 1967. She reached Japan exactly a month later and departed the Sasebo base on 19 May for the war zone. She operated in Vietnamese waters throughout the first half of 1967. "Hornet" recovered the astronauts from the first moon landing mission, Apollo 11, on 24 July 1969. President Nixon was on board to welcome the returning astronauts back to Earth, where they lived in quarantine aboard "Hornet" prior to transfer to the Lunar Receiving Laboratory at Houston. The first steps on Earth of returning moonwalkers Neil Armstrong and Buzz Aldrin, with Command Module Pilot Michael Collins, are marked
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