HSwMS Helsingborg is second in the new class of Swedish Visby-class corvettes ordered by the Swedish Government and built by Kockums. She has been in active service with the 31st Corvette Squadron 3rd Naval Warfare Flottilla since 19 December 2009. 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