U.S. Marine Corps Lance Cpl. Zachary R. Picking, of 3rd Combat Engineer Battalion, Foxtrot Company, 2nd Battalion, 7th Marine Regiment, sweeps the streets for improvised explosive devices during a patrol with British Royal Marines in Now Zad, Afghanistan, on Sept. 12, 2008. The U.S. Marine unit, which is a reinforced light infantry battalion, is clearing the city of improvised explosive devices.