Two covers signed by one or more notable test pilots or engineers: an FDC with a cachet honoring the 70th anniversary of the Wright Brothers' first flight at Kitty Hawk, signed in ink by Chuck Yeager, Fred Ascani, Bob Hoover, and engineer Gerald M. Truszynski, whose signature remains quite rare; and a commemorative cover with color cachet honoring General Robert 'Bob' Cardenas, who signs in black ink. In overall fine condition.
Truszynski joined the National Advisory Committee for Aeronautics, a forerunner of NASA, in 1944, and three years later transferred to Edwards Air Force Base in California, where he helped design instrumentation for the X-1, the aircraft in which pilot Chuck Yeager broke the sound barrier in 1947. Truszynski later supervised the development of instrumentation for various experimental aircraft before coming to NASA’s Washington headquarters in 1961 as an associate administrator. He developed global tracking networks and communication systems for all of NASA’s flight programs.
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