ELIZABETH RIVER, Va. - Coast Guard Petty Officer 2nd Class Matt Geddis navigates a 41-foot Utility Boat under the Dominion Blvd., Steel Bridge while on a patrol looking for signs of pollution in the Elizabeth River at 9:25 a.m., Feb. 9, 2011. Geddis and crew were patrolling the Elizabeth River as part of Operation Clean Sweep, which is a coordinated effort to reduce pollution incidents by detecting, responding to, and investigating pollution incidents and violations of laws and regulations. U.S. Coast Guard photo by Petty Officer 3rd Class David R. Marin.