LANDSTUHL, Germany — The story is told in the sterile white bandage across Spc. Gregory Brown’s throat, in Cpl. Timothy Brosnan’s broken legs, in the ball bearing that lodged in Sgt. Carl Oliver’s right hand, rendering two of his fingers useless. It is the story of a wartime promise that could not be kept, of men dying as they sought to save others and of a shadowy enemy who rises from the brush along the roadside, fires a rocket-propelled grenade and melts into the landscape. For members of New Jersey’s Army National Guard, it is the story of one day in Iraq, as told by three scarred survivors evacuated from Baghdad to a U.S. military hospital, Landstuhl Regional Medical Center, in Germany’s rural southwest corner. … More N.J. soldiers bear scars of an ambush