The Yugoslav submarine Osvetnik was the first of the Osvetnik-class diesel-electric submarines built by Ateliers et Chantiers de la Loire Nantes France for the navy of the Kingdom of Serbs Croats and Slovenes (later Yugoslavia). She was launched in 1929 and was built to a Simonot design similar to the French Circe-class. During the German-led Axis invasion of Yugoslavia in April 1941 she was captured by Italian forces at the Bay of Kotor. 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?
Answer:
Mean Of Transportation