U.S. soldiers with Delta Troop, 3rd Squadron, 7th Cavalry, 2nd Heavy Brigade Combat Team, 3rd Infantry Division search for weapon caches in Mosul, Iraq, Aug. 25. U.S. soldiers with Delta Troop, 3rd Squadron, 7th Cavalry, 2nd Heavy Combat Brigade Combat Team, 3rd Infantry Division conducted Operation Knight Dagger, a joint operation with the Iraqi Army, to search for possible weapon caches.