This Day in U.S. Naval History - April 15
1885 - Naval forces land at Panama to protect American interests during revolution
1912 - USS Chester and USS Salem sailed from MA to assist RMS Titanic survivors
1918 - First Marine Aviation Force formed at Marine Flying Field, Miami, FL
1961 - Launching of first nuclear-powered frigate, USS Bainbridge, at Quincy, MA
1962 - USS Princeton brought first Marine helicopters to Vietnam. This was first Marine advisory unit to arrive in South Vietnam.
1986 - Operation Eldorado Canyon, Navy aircraft from USS America (CV-66) and USS Coral Sea (CV-43) attack Libya in conjunction with USAF aircraft after Libya linked to terrorist bombing of West Berlin discotheque which killed 1 American and injured 78 people.
(Source: Navy News Service)