Soldiers assigned to 1st Battalion, 3rd United States Infantry Regiment, “The Old Guard” calibrate an M2 Aiming circle for accuracy in support 1st Attack Reconnaissance Battalion, 82nd Combat Aviation Brigade during a combined training exercise, at Fort Hill, Va., March 13.

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Size: 1732px × 1155px
Photo credit: © Chuck Little / Alamy / Afripics
License: Licensed
Model Released: No

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