Army drill sergeant, Staff Sgt. Jonathan Martin, C Company, 1st Battalion, 61st Infantry Regiment watches as a Solider in basic combat training tosses a practice grenade from the kneeling position on the hand grenade assault course at Fort Jackson, , Feb. 1, 2016. ( Army photo by Sgt. 1st Class Brian Hamilton)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: army, assault, basic, carolina, charlotte, combat, command, course108th, drill, fort, grenade, hand, jackson, north, reserve, sergeant, soldier, south, training