![](http://www.alamy.com/thumbs/6/BE054B83-484F-4B1B-8805-321B59E7A410/RAD134.jpg)
Lance Cpl. Dustin Walters, a gunner with 3rd Battalion, 6th Marines, assists in pre-staging and separating chains of .50 caliber machine gun ammunition to be used by the Sailors aboard USS Mesa Verde (LPD 19) to conduct a live firing exercise on Jan. 24, 2017 as part of Composite Training Unit Exercise. COMPTUEX is a compilation of training scenarios designed to solidify unit cohesion and refine operational efficiency prior to their upcoming deployment as an integrated unit.
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Photo credit: © Chuck Little / Alamy / Afripics
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