Q:USS Corypheus (1862) was a schooner captured by the Union Navy during the American Civil War. Corypheus was used by the Union Navy primarily as a gunboat to patrol navigable waterways of the Confederacy in order to prevent the South from trading with other countries. She carried a 30-pounder rifled gun powerful enough to stop a blockade runner and a howitzer for riverside bombardment. 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