Q:The No.13 class submarine chaser ( Dai 13 Go-gata Kusentei) were a class of submarine chasers of the Imperial Japanese Navy (IJN) serving during and after World War II; there were three sub classes however the IJN's official document calls all of them the No.13 class. 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