UXO identification
Members of the 507th Air Refueling Wing review their Airman's Manual to identify an unidentified explosive ordnance during a Ability to Survive and Operate course, April 3, 2016 at Tinker Air Force Base. The 507th ARW held the ATSO course as part of the Super Unit Training Assembly which was held April 2-5. The extended training allowed all Reservists to complete annual training during one UTA weekend. (U.S. Air Force photo/Maj. Jon Quinlan)

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Photo by: Maj. Jon Quinlan |  VIRIN: 160408-F-VM627-129.JPG