-
1961
Kennedy sends military advisors to south Vietnam -
1963
More than 10,000 American Military "advisers" train and fight in south Vietnam -
1964
Gulf of Tonkin resolution passes -
1964
the number of US advisers doubles to around 20,000 -
1965
Americas involvement in the Vietnam war was drastically changed by Johnson -
1965
184,300 American troops were in Vietnam -
1965
Johnson authorizes operation rolling thunder -
Period: to
1965-1973
American forces drop over 6 million tones of bombes on enemy positions -
1965
U.S. Marines arrive to defend the airbase at Da Nang -
Period: to
1966-1967
the number of U.S. troops in South Vietnam rises to nearly 500,000