A squad of Marines with 3rd Battalion, 4th Marines, 7th Marine Regiment, practice dry runs before their night time live-fire exercises as part of Tactical Small-Unit Leadership Course aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., July 18, 2016. The purpose of the course was to focus on the training of small-unit leadership within “Darkside.” (Official Marine Corps photo by Lance Cpl. Dave Flores/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

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