US Marines patrol the streets during Operation River Gate in Haditha
U.S. Marines with the 1st Marine Regiment and Iraqi Security Force soldiers patrol the streets during Operation River Gate in the western Iraq city of Haditha, 200 km (124 miles) west of Baghdad in this military handout photo taken October 5 and released October 7, 2005. U.S. troops have killed at least 29 insurgents in western Iraq in their drive to root out militant Islamist fighters waging a bloody struggle to topple the U.S.-backed Baghdad government, the military said on Friday. REUTERS/USMC/Cpl. Adam C. Schnell/Handout