Joseph A. Walker occupation test pilot
Test pilot career
After World War II, Walker separated from the Army Air Forces and joined the National Advisory Committee for Aeronautics (NACA) Aircraft Engine Research Laboratory in Cleveland, Ohio, as an experimental physicist. While in Cleveland, Walker became a test pilot, and he conducted icing research in flight, as well as in the NACA icing wind tunnel.  He transferred to the High-Speed Flight Research Station in Edwards, California, in 1951.Walker served for 15 years at the Edwards Flight Research Facility – now called the Neil A. Armstrong Flight Research Center. By the mid-1950s, he was a Chief Research Pilot. Walker worked on several pioneering research projects. He flew in three versions of the Bell X-1: the X-1#2 (two flights, first on August 27, 1951), X-1A (one flight), X-1E (21 flights). When Walker attempted a second flight in the X-1A on August 8, 1955, the rocket aircraft was damaged in an explosion just before being launched from the JTB-29A mothership. Walker was unhurt, though, and he climbed back into the mothership with the X-1A subsequently jettisoned.Other research aircraft that he flew were the Douglas D-558-I Skystreak #3 (14 flights), Douglas D-558-II Skyrocket #2 (three flights), D-558-II #3  (two flights), Douglas X-3 Stiletto (20 flights), Northrop X-4 Bantam (two flights), and Bell X-5 (78 flights).Walker was the chief project pilot for the X-3 program. Walker reportedly considered the X-3 to be the worst airplane that he ever flew. In addition to research aircraft, Walker flew many chase planes during test flights of other aircraft, and he also flew in programs that involved the North American F-100 Super Sabre, McDonnell F-101 Voodoo, Convair F-102 Delta Dagger, Lockheed F-104 Starfighter and Boeing B-47 Stratojet.
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