Afghan National Army soldiers with the 215th Corps calculate information received from the forward observers to accurately input the correct data for firing the D-30 122 mm howitzer during training aboard Camp Bastion, Helmand province, Afghanistan, May 7, 2014. The training is part of a six-week course taught at the Regional Corps Battle School that gives Afghan instructors the opportunity to train their fellow soldiers on the howitzer weapons system.
Sgt. Jessica Ostroska
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