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 Pilot as the first to step onto the lunar surface. However, when Aldrin learned that this might be amended, he lobbied within NASA for the original procedure to be followed. Multiple factors contributed to the final decision, including the physical positioning of the astronauts within the compact lunar lander, which made it easier for Armstrong to be the first to exit the spacecraft. Furthermore, there was little support for Aldrin's views among other senior astronauts who would command later Apollo missions, and who may have been the first to make a lunar landing had Apollo 11 failed. Collins has commented