1954
1954
USS ARIZONA
Historian's generally accept the year 1961 as the start of US military involvement in Vietnam.
Involvement began with Eisenhower (Ike) in '55 & terminated with Ford in '75.
You might find a possible lead from this book: "Where We Were In Vietnam: A Comprehensive Guide To The Firebases, Military Installations And NAVAL VESSELS of the Vietnam War. 1945-1975. By Michael P. Kelley
The fear of being invaded was not a justification for the increase in US involvement in Vietnam. The US withdrew from Vietnam in 1975.
In 1959.
The USS Maddox and USS Turner Joy were allegedly attacked in the Gulf of Tonkin off the coast of Vietnam in 1964. These incidents, known as the Gulf of Tonkin incidents, were cited as a justification for the escalation of US involvement in the Vietnam War. However, subsequent investigations have revealed that the second attack on the USS Turner Joy may have been based on false radar readings and did not actually occur.
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False, US involvement in Vietnam was not reduced during the Kennedy administration.
USS Pueblo
How did Martin Luther King, Jr., refer to the U.S. involvement in Vietnam?