Given the question: USS Butternut (AN-9/YN-4/ANL-9/YAG-60) was laid down as a yard net tender on 11 March 1941 at Houghton Washington by the Lake Washington Shipyard; launched on 10 May 1941; and placed in service at the Puget Sound Navy Yard on 3 September 1941 Lieutenant Andreas S. Einmo USNR in charge.After fitting out at Puget Sound the ship began service with the Inshore Patrol 13th Naval District early in October. She tended antisubmarine nets and performed minesweeping tasks until May 1942. 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