NASA Astronaut Group 2, September 17, 1962 Nine new flight personnel selected by Manned Spacecraft Center, NASA, in Houston Sept 17, 1962, are front row, left to right, Navy Lt. Charles Conrad, Jr., Air Force Major Frank Borman; NASA Test Pilot Neil Armstrong, and Navy Lt. Cmdr. John W. Young; second row, civilian test pilot Elliott M. See, Jr., Air Force Capt. James A. McDivitt, Navy Lt. Cmdr. James A. Lovell, Jr., Air Force Capt. Edward H. White II, and Air Force Capt. Thomas P. Stafford.
Ensign Neil Armstrong, US Navy Reserve, 23 May 1952. Armstrong was in the reserve after serving in 20 combat missions in the Korean War, would then become a research and test pilot, leading to becoming an astronaut and then the first man to walk on the moon. via reddit