FORWARD OPERATING BASE GHAZNI, Afghanistan, Nov. 24, 2006 – As winter tightens its grip on Afghanistan -- higher elevations already are snow-covered -- U.S. forces are striving to fortify their Afghan National Army counterpart units and instill professional discipline to keep the Afghan soldiers on duty year-round. “Traditionally, they all go home in winter,” Army Sgt. Maj. Bryan Gran, operations sergeant major for Task Force Iron Graze here, said in a Thanksgiving Day interview. “We’ve got to try to get them away from that. And the way to do that is we’ve got to provide them with suitable living...