This Day in U.S. Naval History - April 18
1848 - U.S. Navy expedition to explore the Dead Sea and the River Jordan, commanded by LT William F. Lynch, reaches the Dead Sea.
1906 - Navy assists in relief operations during San Francisco earthquake and fire
1942 - USS Hornet launches Doolittle's Army bombers for first attack on Japan
1988 - Navy destroys 2 Iranian surveillance platforms, sinks one frigate and one patrol ships, and severely damages a second frigate in retaliation for attack on USS Samuel B. Roberts
(Source: Navy News Service)