1775 – Commodore Esek Hopkins appointed as commander in chief of the Continental Navy.
1915 – In AB-2 flying boat, Lt. Cmdr. Henry C. Mustin makes first underway catapult launch from a ship, USS North Carolina, at Pensacola Bay, Fla.
1917 – German submarine torpedoes USS Alcedo off French coast.
1923 – Tests
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