1973
1973
American forces left 1974.
GI's were authorized 30 days a year as general issue (during the Vietnam War).
500,000 men were maintained in Vietnam during it's height. Rotations from the US maintained that level, allowing for 1 year rotations (one year tours, at least for the US Army). The half of a million men consisted of marines, soldiers, airmen, sailors, and Coast Guardsmen.
Americans were drafted into the Vietnam War in 1965.
1975
'56.
Every man did a year.
The cease-fire agreement was signed in Paris in January of 1973. On March 29th, 1973, the last of the remaining U.S. troops leave Vietnam. On April 29th, 1975, the American Ambassador and the last Americans leave Vietnam.
Vietnam is a communist country. US forces are not allowed there. However, US veterans visit Vietnam as tourists every year.
See: Eisenhower
Draftees served their two years for Uncle Sam; one year tour in Vietnam, then went home. Usually going to college on the GI bill.