Air Force Research Laboratory spearheading VKF Tunnel D return to operations
The reactivation of the von Kármán Gas Dynamics Facility Wind Tunnel D is nearing completion after approximately 40 years of dormancy. The project was led by the Air Force Research Laboratory, and the first research activity at Tunnel D is then expected to occur later this year. (U.S. Air Force photo/Bradley Hicks)

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Photo by: Bradley Hicks |  VIRIN: 180501-F-IL571-033.JPG