Please answer the following question: The Brazilian monitor Rio Grande was the second ship of the Para-class river monitors built for the Brazilian Navy during the Paraguayan War in the late 1860s. Rio Grande participated in the Passagem de Humaita in February 1868 and provided fire support for the army for the rest of the war. The ship was assigned to the Upper Uruguay (Portuguese: Alto Uruguai) Flotilla after the war. Rio Grande was scrapped in 1907. 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