U.S. Navy Lt. Robert Marsh, assigned to Explosive Ordnance Disposal Moble Unit 11, Detatchment 11, Whidbey Island, Wash., attaches explosives to a detonation cord in a daisy-chain line before doing a test detonation at a range in Ad Diwaniyah, Iraq, Jan. 5, 2006. U.S. Army photo by Pfc. Timothy J. Villareal