Dr. Jerrod Hofferth, the Air Force Research Laboratory’s technical lead on the Tunnel D reactivation project, points out the Tunnel D flexible plate nozzle. The reactivation of von Kármán Gas Dynamics Facility Wind Tunnel D at Arnold Air Force Base is nearing completion after approximately 40 years of dormancy. (U.S. Air Force photo/Bradley Hicks) (This image was manipulated by obscuring badges for security purposes)
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180501-F-IL571-023.JPG
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Canon EOS 70D
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EF-S18-55mm f/3.5-5.6 IS STM
APERTURE
45/10
SHUTTERSPEED
1/50
ISO
3200
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