Air Force Staff Sgt. Michael McNally, 355th Maintenance Group scheduler, removes the cover from an adhesive strip on a block of C4 plastic explosive during an explosive ordnance disposal immersion course at Davis-Monthan Air Force Base, Ariz., June 28, 2016. McNally has worked in the maintenance support field for the past eight years. ( Air Force photo by Airman Nathan H. Barbour/Released)

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Size: 3184px × 2120px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, davis-monthan, tucson