The USS Cossack (SP-695) was an armed motorboat constructed in 1916 by George Lawley & Son in Neponset, Massachusetts. Originally built as a civilian vessel, she was acquired by the U.S. Navy in April 1917 following the United States' entry into World War I. She was officially commissioned as USS Cossack (SP-695) on May 1, 1917, in Boston. Designed for patrol duties, Cossack was assigned to the 1st Naval District, where she conducted patrols in the Boston area until October 1918. Her primary role was to monitor and safeguard U.S. waters during wartime, serving as part of the naval effort to secure the coastline and prevent enemy activity. In October 1918, amidst the ongoing war, an urgent order was issued to prepare six patrol vessels—including Cossack—for deployment to France, specifically Brest, to support Allied operations. The plan was to ship these vessels as deck cargo along with spare parts, indicating their strategic importance. However, this movement was likely canceled following the armistice of November 11, 1918, which ended hostilities and reduced the immediate need for patrol craft in Europe. Subsequently, Cossack was reassigned to the 3rd Naval District, probably to serve in patrol duties around New York City. Her service with the Navy concluded when she was stricken from the Navy List on March 27, 1919. Later that year, she was transferred to the United States Coast Guard on November 22, 1919. As USCGC Cossack, she was stationed at Tampa, Florida. In November 1923, she was renamed USCGC AB-3. Her career ended when she was destroyed by fire on May 9, 1925. Throughout her service, Cossack exemplified the versatile patrol vessels used by the U.S. maritime services during World War I, contributing to coastal defense and patrol operations during a critical period.

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