USS Dolphin was a V7-class submarine laid down on June 14, 1930 and launched on March 6, 1932. It was commissioned on June 1, the same year under Lt. John B. Griggs’ command with the hull number SS-169 and it served in the US Navy for 13 years before it was decommissioned on October 2, 1945. During its activities, the ship carried a complement of 63 people on board and had the main missions in New London, San Diego, Pearl Harbor, the Kurile Islands or Alaska. After the decommissioning, the ship was struck from the Navy Register on October 24, the same year and purchased for scrapping the following year. For the service brought to the country during the World War II, USS Dolphin received 4 medals and 2 battle stars.