LEONARDO, N.J. - Members of the U.S. Coast Guard and the National Strike Force learn how to assemble boom in a controlled environment at the Oil and Hazardous Materials Simulated Environmental Test Tank facility in Leonardo, March 13, 2012. The National Strike Force is one of the Coast Guard's lines of defense during an oil spill or hazardous material release. U.S. Coast Guard photo by Petty Officer 1st Class Matthew Schofield.
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