1845:	Naval School, later the Naval Academy, opens in Annapolis, Maryland with 50 midshipmen and seven faculty.
1923:	First American-built rigid airship, Shenandoah, is christened. It used helium gas instead of hydrogen.
1944:	Opening of Leyte campaign begins with attack of four Carrier Task Groups of Task Force 38 on Okinawa and Ryukyus.
1960:	Navy assigned responsibility for program management and technial direction of Project SPASUR, the first U.S. universal satellite detection and tracking network.
1985:	Fighters from USS Saratoga (CV-60) force Egyptian airliner, with the hijackers of the cruise ship Achille Lauro aboard, to Italy, where the hijackers were taken into custody.