Lightship No. 114 was a historic lightship at the State Pier in New Bedford Massachusetts.Built in Portland Oregon she left Portland on 5 August 1930 for her first station at Fire Island New York. She arrived on 20 September. Serving there until 1942 she was armed for war and placed into service as an examination vessel for the remainder of World War II. 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?
A:
Mean Of Transportation