Given the question: USCGC Papaw (WLB-308) was a sea-going buoy tender whose design is based on the pre-World War II United States Lighthouse Service Tenders. The original design was modified to provide an armored cutter capable of wartime missions in addition to her primary mission of Aids to Navigation. Papaw was built in 1943 by the Marine Iron and Shipbuilding Company of Duluth Minnesota. Commissioned 12 October 1943 she was assigned the home port of San Francisco California. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer is:
Mean Of Transportation