ELIZABETH RIVER, Va. - Coast Guard Petty Officer 2nd Class Matt Geddis, left, navigates a 41-foot Utility Boat while crewmembers including Petty Officer 3rd Class Addison Butcher, center, and Petty Officer 2nd Class Douglas Furman, a pollution investigator for Coast Guard Sector Hampton Roads, right, keep a lookout for any sign of pollution while underway for Operation Clean Sweep in the Elizabeth River at 9:23 a.m., Feb. 9, 2011. Operation Clean Sweep 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.