The US wanted N. Vietnam to stop fighting in S. Vietnam.
It was fighting for democracy and against communism.
North
When Afghanistan jet fighters are fighting US jet fighters. When Afghanistan tanks are fighting US tanks. When Afghanistan warships are fighting US warships. When Afghanistan soldiers are fighting US soldiers. Then it will be like Vietnam. Right now, it just a law enforcement issue; finding terrorists, arresting them, or terminating them.
The nation (country) of Vietnam didn't exist during the Vietnam War. Nor was any nation called "Vietnam" fighting the US. There was a country called North Vietnam that defeated the Republic of South Vietnam in 1975. The US was allied to the RVN (Republic of South Vietnam).
The French were fighting in Vietnam in 1950 not the US.
South Vietnam
The US wanted N. Vietnam to stop fighting in S. Vietnam.
US Servicemen had been fighting communists in South Vietnam since 1955.
It was fighting for democracy and against communism.
The US re-deployed from the place.
The containment of communism.
It was a noble cause.
Eisenhower's Testerones level
The US has been fighting in Afghanistan longer it was fighting in Vietnam. It is the longest war in US history.
North Vietnamese communists
North