Edwin Eugene "Buzz" Aldrin Jr. (born January 20, 1930) is an American engineer and former astronaut, and the second person to walk on the Moon. He was the Lunar Module Pilot on Apollo 11, the first manned lunar landing in history. He set foot on the Moon at 03:15:16 (UTC) on July 21, 1969, following mission commander Neil Armstrong. He is also a former U.S. Air Force officer and a Command Pilot.