U.S. Army Soldiers from Mortar Platoon, Alpha Company, Task Force 1-35 Armor, 2nd Brigade Combat Team, 1st Armored Division, employ a magnetic locator device during a canal clearance mission near 30 Tamuz, Iraq, Aug. 8, 2008. U.S. and Iraqi army Soldiers searched the canal for signs of extremist activity in support of Operation Iron Pursuit.