Pvt. Daniel Rivera, of Vega Alta, Puerto Rico, with Company B, 1st Battalion, 65th Infantry, Puerto Army National Guard, keeps watch for opposing forces from a top building within the training area, colloquially known as The Box, at the Joint Readiness Training Center, Fort Polk, Louisiana, Wednesday, July 26, 2017. The Puerto Rico infantry company is assigned as part of Indiana’s 1st Battalion, 293rd Infantry, 76th Infantry Brigade Combat Team. Photo by Sgt. 1st Class David Bruce, 38th Infantry Division Public Affairs

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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