Buzz Aldrin carries out an experiment on the lunar surface, Apollo II mission, July 1969. Astronaut Edwin "Buzz" Aldrin (b1930) walks on the Moon carrying equipment for scientific research. The Apollo 11 Lunar Module, code named Eagle, with US astronauts Neil Armstrong and Buzz Aldrin on board, landed in the Sea of Tranquillity on 20 July 1969. Apollo 11 was the fifth manned Apollo mission, and was the first to land on the Moon.