Arnold Engineering Development Complex is the nation's largest complex of flight simulation test facilities. The center was dedicated in June 1951 by President Harry Truman and named after 5-star General of the Air Force Henry 'Hap' Arnold, visionary leader of the Army Air Forces in World War II and the only airman to hold 5-Star rank. This complex has a replacement value of $11.8 billion for the 43 test cells located at Arnold Air Force Base, Tenn., and the center's two remote operating locations – the Hypervelocity Tunnel 9 in White Oak, Md., and the National Full-Scale Aerodynamics Complex (NFAC) located on NASA’s Ames Research Center at Moffett Field, Calif. The Tunnel 9 test facilities simulate flight from subsonic to hypersonic speeds at altitudes from sea level to space while NFAC provides a critical capability for aeronautics research, particularly rotorcraft research. Virtually every high performance flight system in use by the Department of Defense today and all NASA manned spacecraft have been tested in AEDC's facilities. Today AEDC is testing the next generation of aircraft and space systems. For more information on AEDC, visit the center's website at www.arnold.af.mil .
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