The USS Tuna (SP-664) was a United States Navy patrol vessel active during World War I, commissioned from 1917 to 1919. Originally constructed as a private motor yacht, she was built in 1911 by the Neilson Yacht Building Company in Baltimore, Maryland. The vessel’s design and construction as a luxury yacht suggest a sleek and motorized hull suitable for both leisure and, temporarily, military service. In June 1917, the Navy acquired Tuna under a free lease from her owner, Edward L. Welch of Philadelphia, Pennsylvania, shortly after the United States entered World War I. She was officially commissioned as USS Tuna (SP-664) on June 12, 1917, marking her entry into naval service. Her primary role was as a section patrol boat, tasked with coastal defense and patrol duties along the U.S. eastern seaboard. Assigned to the 2nd Naval District, Tuna was based at the Block Island section base in Rhode Island. Her patrol area extended along the southern New England coast, covering the waters between Long Island, New York, and Martha’s Vineyard, Massachusetts. During her service, Tuna contributed to the maritime security efforts, patrolling these critical maritime routes to safeguard against enemy submarines, ships, and other threats during the wartime period. After the conclusion of hostilities, Tuna was stricken from the Navy List on January 11, 1919. She was returned to her owner, Edward L. Welch, the same day, ending her brief but active naval career. Her service exemplifies the widespread use of private vessels for wartime patrol duties, highlighting the flexibility and resourcefulness of the U.S. Navy during World War I.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.