Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. USS Monadnock (BM-3) - The second USS Monadnock was an ironhulled twinscrew doubleturreted monitor of the Amphitrite class in the United States Navy which saw service in the Spanish-American War. Monadnock was laid down by Phineas Burgess at the Continental Iron Works Vallejo California in 1874; launched 19 September 1883; completed at Mare Island Navy Yard; and commissioned there 20 February 1896 Captain George W. Sumner in command Lt. Cdr. Edward D. Taussig executive officer.
The answer is:
Mean Of Transportation