CV-22s visit Spangdahlem for acoustic testing
A U.S. Air Force CV-22 Osprey aircraft, assigned to the 352nd Special Operations Wing, Royal Air Force Mildenhall, England, undergoes acoustic testing on the flightline at Spangdahlem Air Base, Germany, Sept. 21, 2016. During the test, a local acoustic testing team placed multiple microphones around the CV-22 as part of the acoustic-testing process. (U.S. Air Force photo by 1st Lt. Meredith Mulvihill)

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Photo by: 1st Lt. Meredith Mulvihill |  VIRIN: 160921-F-TD086-019.JPG