SSG Chuck Hipple cleans his weapon on a Stryker vehicle prior to providing an over watch while U.S. Army Soldiers and U.S. Marines look for weapons caches and insurgents east of the Syrian border by the Euphrates River.. Hipple is with the 4th Battalion, 14th Cavalry, 2nd Platoon, out of Fort Wainwright, Alaska. Pic: Tech. Sgt. Andy Dunaway, U.S. Air Force