USS O-13 (SS-74) was an O-class submarine of the United States Navy. Her keel was laid down on 6 March 1916 by the Lake Torpedo Boat Company in Bridgeport, Connecticut.
USS Kanawha II (SP-130)/USS Piqua (SP-130) -- was a yacht acquired by the U.S. Navy during World War II. She was placed into service as an escort for Allied convoys traveling across the dangerous North Atlantic Ocean. German U-boats were active in sinking Allied ships, and Kanawha II provided a valuable service as a lookout and in one instance attacked one and drove it off. Post-war she was returned to her pre-war owner in July 1919.
USS Halcyon II (SP-582) was a yacht acquired by the U.S. Navy during World War I. She was outfitted as an armed patrol craft and stationed in Boston harbor in Massachusetts. She spent much of the war patrolling the Massachusetts waterways for German submarines and, in 1919, was decommissioned after being damaged in a collision.
USS Wacondah (SP-238) was an advanced-design yacht acquired by the U.S. Navy during World War I. She was outfitted as an armed patrol craft assigned to guard the New York City harbor against German submarines and to provide escort protection to commercial ships. Post-war she was sold and continued her maritime career as the yacht Intercolonial.
USS Arcturus (SP-182) was a yacht acquired by the U.S. Navy during World War I. She was reconfigured by the Navy as an armed patrol craft, and was assigned to patrol the waterways of New York City.
USS Helenita (SP-210) was a yacht leased from its owner by the U.S. Navy during World War I. She was outfitted as an armed patrol craft and initially assigned to North Atlantic Ocean duty, but found to be too lightly built for the ocean. She was then relegated to patrol of Long Island Sound and the Delaware Bay until war's end, when her guns were removed and she was returned to her owner.
USS Wandena (SP-354) was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919.
USS Siwash (SP-12) was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919.
USS Dodger II (SP-46) was an armed motorboat that served as a United States Navy patrol vessel from 1917 to 1919.
USS Rutoma (SP-78) was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919.
USS Riette (SP-107) was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919.
USS Tanguingui (SP-126) was an armed motor yacht that served in the United States Navy as a patrol vessel from 1917 to 1919.
USS Wissoe II (SP-153) was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919.
USS Privateer (SP-179), later YP-179, was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1930.
USS Wemootah (SP-201) was a United States Navy patrol vessel and net tender in commission from 1917 to 1919.
USS Sunbeam III (SP-251) was a United States Navy patrol vessel in commission from 1917 to 1919. The prefix designator means Section Patrol Craft.
USS Anado (SP-455) was a United States Navy patrol vessel in commission from 1917 to 1919.
USS Babette II (SP-484), sometimes cited as USS Babbitt II, was a United States Navy patrol vessel in commission from 1917 to 1919.
USS See W. See (SP-740) was a United States Navy patrol vessel in commission from 1917 to 1919.
USS Audwin (SP-451) was a patrol vessel that served in the United States Navy from 1917 to 1919. She then was a survey vessel in the United States Coast and Geodetic Survey from 1919 to 1927.
United States