Coast Guard Petty Officer 2nd Class Damien Gayle and Petty Officer 2nd Class Robert McConnell ready a mounted .50-caliber machine gun aboard the Coast Guard Cutter Shearwater, an 87-foot patrol boat homeported in Little Creek, Va., June 8, 2012. Coast Guard crews provided security for the Parade of Sails as ships made their way down the Elizabeth River into Norfolk.