This Day in Naval History – March 31
1854 - Commodore Matthew Perry negotiates Treaty of Kanagawa to open trade between U.S. and Japan
1971 - Poseidon (C-3) missile becomes operational when USS James Madison began her 3rd patrol carrying 16 tactical Poseidon missiles.
1992 - USS Missouri (BB-63), the last active American battleship is decommissioned.
(Source: Navy News Service)