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USS Long Island 
Summary
Three ships of the United States Navy have been named USS Long Island, after Long Island, New York.
- USS Long Island (SP-572) was a steam trawler purchased by the US Navy 18 April 1917 and sold 1 December 1919
- USS Long Island (CVE-1) was a Long Island-class escort carrier launched 11 January 1940 and sold 24 April 1947
- USS Long Island (SSN-809) will be a Virginia-class submarine expected to enter service at an unspecified date.
One ship of the United States Coast Guard was also named USCGC Long Island, also after Long Island, New York.
- USCGC Long Island, an Island-class patrol boat in service from 1991–2015. She is now in service with the Costa Rican Coast Guard as Juan Rafael Mora Porras.
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.