Please answer the following 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 O-12 (SS-73) - USS O-12 (SS-73) 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.These later O-boats O-11 through O-16 were designed by Lake Torpedo Boat to different specifications than the earlier Electric Boat designs. They performed poorly as compared to the Electric Boat units and are sometimes considered a separate class.O-12 was launched on 29 September 1917 sponsored by Mrs. Homer S.
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Mean Of Transportation