Soldiers assigned to 3rd Battalion, 21st Infantry Regiment, 1st Stryker Brigade Combat Team, 25th Infantry Division, conduct a Combined Arms Rehearsal, during Decisive Action Rotation 17-03, at The National Training Center, Fort Irwin, Calif., Jan. 25, 2017. ( Army photo by Spc. Esmeralda Cervantes, Operations Group, National Training Center)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: 1st, 21st, 25th, 3rd, battalion, box, brigade, car, combat, division, infantry, ntc17-03, regiment, stryker, team