BALTIMORE - The Vessel of Opportunity Skimmer System connected by lines to the Coast Guard Cutter James Rankin skims through the water during a joint training exercise in the vicinity of Maryland's Chesapeake Bay Bridge, April 14, 2010. The skimmer system was used as part of a training exercise conducted by the James Rankin and The Fifth Coast Guard District's District Response Advisory Team. U.S. Coast Guard photo by Petty Officer 3rd Class George Degener.