Army soldiers provide security for Iraqi National Guard soldiers as they search a house during Operation Mutual Security II in Mosul, Iraq, on July 3, 2004. The Iraqi police and the Iraqi National Guard are conducting cordon and knock operations in search of weapons caches while U.S. Army soldiers from the 3rd Infantry Regiment, 3rd Brigade, 2nd Infantry Division, Stryker Brigade Combat Team, provide blocking positions for the outer cordon.