There have been 5 US ships named Missouri:
USS Missouri - (10 Gun paddle wheel frigate) Commissioned 1841, lost to an accidental fire at Gibraltar in 1843.
Missouri - Confederate ram, turned over to the USN at the end of the war and scrapped.
USS Missouri (BB-11) - Pre-dreadnought battleship, in service 1900-1922
USS Missouri (BB-63) - Fast Battleship, in service 1944-1955, 1984-1992
USS Missouri (SSN-780) - Attack Submarine, not yet in commission.

