Spc. Ralph Hueffmeir, an infantryman from Saint Charles, Miss., assigned to Headquarters and Headquarters Company, 2nd Battalion, 7th Cavalry Regiment, 4th Advise and Assist Brigade, 1st Cavalry Division, assists an Iraqi army soldier in disassembling an M16A4 rifle during a marksmanship class, Feb. 6, 2011. Ghost Troops of the 2nd Bn., 7th Cav. Regt. trained IA units from 2nd Iraqi Army Division in northern Iraq to enhance Iraqi soldiers' marksmanship skills. The five-day marksmanship class taught by U.S. troops was the first time many of the IA soldiers trained with an M16 rifle.