U.S. Air Force employees calibrate MK62QS MOD3 naval mines at Barksdale Air Force Base, Louisiana, July 10, 2018. Members of the 307th Bomb Wing collaborated with Department of Defense contractors to prepare new tail sections on the underwater mines for testing. The mines will be placed by a B-52 Stratofortress, one of the jet’s many maritime capabilities. (U.S. Air Force photo by Master Sgt. Ted Daigle/released)

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Photo by: Master Sgt. Ted Daigle |  VIRIN: 180710-F-YH293-1117.JPG