In 1965, on the ground at the Ia Drang, and in the air with operation Rolling Thunder.
South Vietnam
North
The US wanted N. Vietnam to stop fighting in S. Vietnam.
North Vietnamese communists
North Vietnam (NVA) fighting South Vietnam (ARVN) with the US/allies helping out the south.
Communist North Vietnam accomplished it's objective of conquering it's neighbor, South Vietnam.
1. The US is not at war with Iraq. 2. The US was at war with North Vietnam.
the north vietnamese (a.k.a. the viet cong or VC)
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.
U.S troops never went to North Vietnam, that would have been an act of war and would have dragged the Chinese and the Soviets into the conflict.
No nation, including the US is at war with the country of Iraq. Iraq is simply a nation that needs law, order, and stability restored to it. The US was bombing the nation of North Vietnam. The Army and Air Force of North Vietnam was fighting the US Air Force/US Navy in the air, and fighting the US Army/US Marine Corps on the ground. Two nations were at war with each other.
The US offered to help south Vietnam in 1961 to help Vietnam preserve its independence from the North. It was during the Cold War, and the US was fighting Communist Russia across the world.