This Day In US Naval History - January 21
1862 - Navy ship USS Ethan Allen, commanded by acting-Lt. William B. Eaton, captures the schooner Olive Branch at sea off the Florida coast.
1943 - Submarines USS Pollack (SS 180) and USS Gato (SS 212) attack and cause the sinking of two Japanese ships.
1945 - TF 38 aircraft attacks Japanese shipping and airfields on Formosa and in the Pescadores, sinking approximately 15 vessels.
1954 - The world's first nuclear submarine, USS Nautilus (SSN-571) is christened and launched at Groton, Conn.
1961 - USS George Washington (SSBN 598) completes the first operational voyage as a fleet ballistic missile submarine, staying submerged 66 days.
(Source: Naval History and Heritage Command, Communication and Outreach Division)