Shell casings from an M-4 carbine lay on the ground during the 627th Security Forces Squadron’s Combat Arms Training and Maintenance (CATM) class at Joint Base Lewis-McChord, Wash., Jan. 31, 2018. Team McChord Airmen undergoing CATM fired practice rounds where they could receive coaching from instructors before firing for their qualification. ( Air Force photo by Senior Airman Tryphena Mayhugh)

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Size: 6544px × 4224px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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