The Borel Military Monoplane was a French single-engine two-seat aircraft designed shortly before World War I in response to a French Army requirement for an aircraft to seek and destroy enemy balloon airships. 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