Q:The United States Revenue Cutter Rush was one of 13 cutters of the Morris-Taney Class to be launched. Named after Secretaries of the Treasury and Presidents of the United States these cutters were the backbone of the Service for more than a decade. Samuel Humphreys designed these cutters for roles as diverse as fighting pirates privateers combating smugglers and operating with naval forces. He designed the vessels on a naval schooner concept. They had Baltimore Clipper lines. 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