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 Canopus (AS-34) -  USS Canopus (AS-34) was a Simon Lake-class submarine tender of the United States Navy operational from 1965 to 1994.
Answer:
Mean Of Transportation