ARNOLD AIR FORCE BASE, Tenn. – Gen. Ellen M. Pawlikowski, Air Force Materiel Command commander (center); Maj. Gen. David Harris, Air Force Test Center commander (right); and Col. Scott Cain, Arnold Engineering Development Complex commander (left), receive a facility briefing and tour of the wind propulsion tunnels by Lt. Col. David Hoffman (second from left), Flight Systems Combined Test Force director, Aug. 22, 2017. ( Air Force photo/Rick Goodfriend) (This image was manipulated by obscuring badges for security purposes.)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: aedc, afb, air, arnold, center, command, complex, development, engineering, force, materiel, test