PHILADELPHIA - Petty Officer 1st Class Alano Demurguiondo, Chief Petty Officer Robert Mayer and Petty Officer 3rd Class Brian Nafe, Title 10 reservists at Coast Guard Station Philadelphia, conduct a Green Amber Red model before completing a patrol of the Delaware River July 13, 2011. A GAR model addresses general risk concerns involving operations. U.S. Coast Guard photo by Petty Officer 2nd Class Crystalynn A. Kneen.
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