Question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. USS S-48 (SS-159) - USS S-48 (SS-159) was the first submarine in the fourth group of S-class submarines of the United States Navy. Her keel was laid down on 22 October 1920 by the Lake Torpedo Boat Company in Bridgeport Connecticut. She was launched on 26 February 1921 sponsored by Mrs. James O. Germaine.On 7 December the uncommissioned submarine conducted a dive off Penfield Reef in Long Island Sound as part of builder's trials.
Answer:
Mean Of Transportation