Buzz Aldrin shot down two MiG-15 aircraft. After earning a Sc.D. degree in astronautics from the Massachusetts Institute of Technology, Aldrin was selected as a member of NASA's Astronaut Group 3, making him the first astronaut with a doctoral degree. His doctoral thesis was "Line-of-Sight Guidance Techniques for Manned Orbital Rendezvous", earning him the nickname "Dr. Rendezvous" from fellow astronauts. His first space flight was Gemini 12 during which he spent over five hours on extravehicular activity (EVA) outside the spacecraft. Aldrin set foot on the Moon at 03:15:16 on July 21, 1969 (UTC), nine minutes after Armstrong first touched the surface,
Buzz Aldrin been a fatal crash. When deciding what sort of aircraft he should fly, his father advised him to choose bombers. Command of a bomber crew gave an opportunity to learn and hone leadership skills, which could open up better prospects for career advancement. Aldrin chose instead to fly fighters. He moved to Nellis Air Force Base in Las Vegas, where he learned to fly the F-80 Shooting Star and the F-86 Sabre. Like most jet fighter pilots of the era, he preferred the latter. In December 1952, Aldrin was assigned to the 16th Fighter-Interceptor Squadron, which was part of the