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The Arnold Engineering Development Complex operates more than 55 aerodynamic and propulsion wind tunnels, rocket and turbine engine test cells, environmental chambers, arc heaters, ballistic ranges, sled tracks, centrifuges and other specialized units.  Read the full fact sheet here.

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National Full Scale Aerodynamics Complex (NFAC) Test Engineer Al Lizak surveys the large rotor test apparatus test rig prior to tunnel. NFAC recently reached its first major milestone–that of achieving full operational capability for rotocraft testing. A Defense Advanced Research Projects Agency (DARPA) helicopter is scheduled
this spring to be the first test with this capability since the facility reopened in 2006. (Photo by Dominic Hart) NATIONAL FULL-SCALE AERODYNAMICS COMPLEX 1/27