USS S-9 was an S-class submarine laid down on January 20, 1919 and launched on June 17, the following year. It was commissioned on February 21, 1921 under Lt. Cmdr. Thomas Shine’s command with the hull number SS-114 and it served in the US Navy for 10 years before it was decommissioned on April 15, 1931. During its activities, the ship carried a complement of 38 people on board and had the main missions in New England, Cavite, Mare Island, Pearl Harbor, New London or the Panama Canal Zone. After the decommissioning, the ship was struck from the Navy Register on January 25, 1937.