Afghan National Army (ANA) soldiers with Regional Corps Battle School assemble a guard house aboard Camp Shorabak, Helmand province, Afghanistan, March 30, 2014. The ANA soldiers expand their engineering skills as the Coalition forces continue to retrograde and redeploy as Operation Enduring Freedom comes to a close. (U.S. Marine Corps photo by Cpl Dustin D. March, Marine Expeditionary Brigade Afghanistan/Released)