U.S. Coast Guard Marine Science Technician 3rd Class Christopher Estelle, 24, observes passengers as they embark aboard a Circle Line ferry at Ellis Island. The Coast Guard has increased its local law enforcement patrols, including the presence of armed tactical operations boarding teams aboard ferries and other commercial vessels operating in and around the Port of New York and New Jersey, in response to the heightened terror warnings and to prepare for the upcoming Republican National Convention. USCG photo by PA1 Matthew Belson