by HNN Staff
Armstrong cut his teeth flying jets for the Navy before joining NASA, seeing action over Korea in 1951 and 1952. He was assigned to VF-51 onboard the USS Essex, where he flew the F9F-2 Panther. Pictured: F9F-2 Panthers taking off from the Essex sometime in 1951. Credit: U.S. Navy.After leaving the Navy, Armstrong became a test pilot for NASA's X-15 program, a high-speed, high-altitude rocket plane. He flew a total of seven flights, reaching an altitude of nearly 63 km and a speed of well over 6,000 km/h. Here, he poses with his aircraft on New Year's Day, 1960.Astronauts during tropical survival training at Albrook Air Force Base in Panama, 1963. Left to right: Unidentified trainer, Armstrong, John Glenn, Gordon Cooper, and Charles "Pete" Conrad.