BOSTON - Petty Officer 1st Class Lucas Marland, a Coast Guard Station Merrimack River crewman, grabs a rescue heaving line that was thrown to him by one of his shipmates aboard a 47-foot Motor Life Boat during a mock rescue off the coast of Newburyport, Mass., July 13, 2011. The training involved a 100-yard swim to get the crew acquainted with the water temperature and check their suits for leaks, practicing different recovery techniques of people in the water, and locating where all their survival equipment is in their vest so that it becomes second nature. U.S. Coast Guard photo by Petty Officer 3rd Class Amber Mitchell.