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 San Antonio (LPD-17) -  USS San Antonio (LPD-17) the lead ship of her class of amphibious transport dock or landing platform dock is the first ship of the United States Navy to be named for the city of San Antonio Texas. The ship is designed to deliver up to 800 Marines ashore by landing craft and helicopters.
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Mean Of Transportation