The Caproni Ca.314 was an Italian monoplane twin-engine bomber aircraft used in World War II. Derived from the similar Ca.310 it was used for ground attack and torpedo bomber duties. It was the most extensively built Ca.310 derivative and included bomber convoy escort/maritime patrol torpedo bomber and ground-attack versions. 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?
Mean Of Transportation