U.S. Coast Guard Cutter Oak (WLB-211) sits at anchor. The Newport, Rhode Island-based buoy tender maintains 144 Aids to Navigation (ATON) that guide mariners into some of the oldest and busiest ports in the U.S., including Boston, Massachusetts; Portsmouth, New Hampshire; and Portland, Maine. U.S. Coast Guard photo by Ensign Emily E. Torsney.
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