Petty Officer 3rd Class Larry Williams, assigned to Coast Guard Station Mayport in Atlantic Beach, Fla., completes his daytime checkride to become a qualified coxswain on the 45-foot Response Boat - Medium Tuesday, March 18, 2014. During his checkride, Williams demonstrated his ability to safely operate the boat and direct the crew during a man-overboard drill, while towing another vessel from the stern and alongside, and while mooring to a pier. (U.S. Coast Guard video by Station Mayport) Available in high definition.