Given the question: USS Cricket (1862) was a steamer acquired by the Union Navy during the American Civil War. Cricket -- armed with six 24-pounder howitzers—was used by the Union Navy as a bombardment gunboat used to patrol navigable waterways of the Confederacy and to bombard riverside fortifications as required. 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?
The answer is:
Mean Of Transportation