U.S. Coast Guard

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This photo provided by the U.S. Coast Guard on Friday, March 28, 2014, shows the U.S Coast Guard transporting rescued Cuban migrants to Nassau, Bahamas. The U.S. Coast guard reports that air crews rescued 12 Cuban migrants after their vessel sank in the Caribbean Sea. (AP Photo/U.S. Coast Guard)

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FILE - This Oct. 30, 2012 aerial photo provided by the U.S. Coast Guard shows storm damage from Superstorm Sandy in a portion of New Haven, Conn. In 2012, Congress passed a law requiring approximately 1.1 million policyholders nationwide to start paying rates based on the true risk of flooding. Nearly 4,200 policyholders in Connecticut face increases of up to 25 percent each year. More than 14,000 property owners in the state will be hit with annual premium increases as high as 18 percent annually, until the policyholder switches to a risk-based rate. (AP Photo/U.S. Coast Guard, Petty Officer 2nd Class Rob Simpson, File)

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ADVANCE FOR USE MONDAY, MARCH 24, 2014 AT 3 A.M. AND THEREAFTER - FILE - This Oct. 30, 2012 aerial photo provided by the U.S. Coast Guard shows storm damage from Superstorm Sandy in a portion of New Haven, Conn. In 2012, Congress passed a law requiring approximately 1.1 million policyholders nationwide to start paying rates based on the true risk of flooding. Nearly 4,200 policyholders in Connecticut face increases of up to 25 percent each year. More than 14,000 property owners in the state will be hit with annual premium increases as high as 18 percent annually, until the policyholder switches to a risk-based rate. (AP Photo/U.S. Coast Guard, Petty Officer 2nd Class Rob Simpson, File)

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In this image provided by the U.S. Coast Guard a barge loaded with marine fuel oil sits partially submerged in the Houston Ship Channel, Saturday March 22, 2014. The bulk carrier Summer Wind, reported a collision between the Summer Wind and a barge, containing 924,000 gallons of fuel oil, towed by the motor vessel Miss Susan. The barge collided with a ship in Galveston Bay on Saturday, leaking an unknown amount of the fuel into the popular bird habitat as the peak of the migratory shorebird season was approaching. (AP Photo/U.S. Coast Guard, PO3 Manda Emery)

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The U.S. Coast Guard ice cutter Neah Bay breaks ice up on the River Raisin in the turning basin, Thursday, March 20, 2014, at the Port of Monroe in Monroe, Mich. (AP Photo/The Monroe News, Tom Hawley)

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In this Monday, March 3, 2014 photo provided by the U.S. Coast Guard, crew members assigned to Coast Guard Cutter Bristol Bay assist a dog they found stranded on the ice of Lake St. Clair, Mich. The dog, who the crew later named "Lucky," was taken inside the ship, where it was provided food and care before before taking it to an animal shelter. (AP Photo/U.S. Coast Guard)

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In this Monday, March 3, 2014 photo provided by the U.S. Coast Guard, crew members assigned to Coast Guard Cutter Bristol Bay hoist aboard the ship a dog they found stranded on the ice of Lake St. Clair, Mich. The dog, who the crew later named "Lucky," was taken inside the ship, where it was provided food and care before before taking it to an animal shelter. (AP Photo/U.S. Coast Guard)

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In this photo provided by the U.S. Coast Guard, an MH-65 Dolphin helicopter from Coast Guard Air Station Traverse City, Mich., sits on the beach on Washington Island, Wis., Sunday, March 2, 2014, after it had flight control problems and made an emergency landing. The Coast Guard says the four crew members escaped injury in the landing. (AP Photo/U.S. Coast Guard)

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In a Feb. 19, 2014 photo provided by the U.S. Coast Guard, the Cutter Hollyhock cuts a track line for the motor vessel Algosea in Lake St. Clair, Mich. The Coast Guard's nine Great Lakes icebreakers have put in four times as many icebreaking hours this year due to harsh winter weather. (AP Photo/U.S. Coast Guard, Petty Officer 1st Class Randy Beauchamp)

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In this Jan. 10, 2014 photo provided by the U.S. Coast Guard are Great Lakes freighters Arthur M. Anderson, left, and James R. Barker, seen from the icebreaker Mackinaw, on the St. Marys River, which links Lakes Superior and Huron. The cutter Mackinaw has just finished escorting the Barker along the river and is preparing to break a trail in the ice for the Anderson. (AP Photo/U.S. Coast Guard, Lt. David Lieberman)

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In this Feb. 12, 2014 File photo provided by the U.S. Coast Guard the icebreaker Biscayne Bay passes Chicago's Navy Pier, left, as it through the ice covered waters of Lake Michigan on it's way to Indiana. (AP Photo/U.S. Coast Guard, Chief Petty Officer Alan Haraf) **FILE**