63
United States Marines were sent March 8, 1965.
President Eisenhower.
President Dwight Eisenhower
First ground troops were sent to Vietnam in 1965.
NIXON
The US.
Well before any US troops were sent to Vietnam. The Korean Conflict kicked off in 1950, and the ceasefire was signed in 1953 (although the conflict remains ongoing). The first American troops didn't arrive in Vietnam until 1954.
The first "advisors" were sent by President Eisenhower on 12 February 1955. On 13 May 1961 President Kennedy sent the first Special Forces troops to Vietnam. In March of 1965 President Johnson sent in two Marine Infantry Battalions.
1965
1903
Lyndon Johnson was the president when large numbers of US troops were first sent to Vietnam.
Thailand sent troops to South Vietnam.