Cpl. Jordan Crupper, a field artillery cannoneer with Echo Battery, 2nd Battalion, 10th Marine Regiment sets up a collimator before a live-fire range during exercise Arrowhead Thunder at Fort Stewart, , Aug. 19, 2016. The Marines were evaluated on how well and how quickly they performed their fire missions during the top gun competition. ( Marine photo by Lance Cpl. Victoria Ross)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: 1/10, 10th, 2, 2nd, arrowhead, artillery, august, cbrn, ceb, clb, corps, exercise, field, ga, georgia, laad, marine, marines, radar, thunder, training, usmc