the north vietnamese (a.k.a. the viet cong or VC)
The US has been fighting in Afghanistan longer it was fighting in Vietnam. It is the longest war in US history.
It was fighting for democracy and against communism.
The US wanted N. Vietnam to stop fighting in S. Vietnam.
The containment of communism.
US Servicemen had been fighting communists in South Vietnam since 1955.
1. The US is not at war with Iraq. 2. The US was at war with North Vietnam.
North Vietnamese communists
North
contain communism
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.
North Vietnam (NVA) fighting South Vietnam (ARVN) with the US/allies helping out the south.
The US got involved in the Vietnam was because they were trying to sweep out communism across the globe. In the war, the US supported South Vietnam because they were fighting against communist North Vietnam.