The NVA (North Vietnamese Army, and discounting the Viet Cong guerrilla forces) verses the US Army, US Marine Corps, South Korean Army, South Vietnamese Army, Australian Army, New Zealand Army, and elements of the Thai and Philippine Armies.
EDIT
North Korean air forces, Chinese elements, and Russian advisers also were involved
US Military, Republic of Vietnam military, Republic of Korea military, Australian military, Philippines military.
They split their force into two armies.
When the final United States troops pulled out of Vietnam, the North occupied and took over control of the area that was South Vietnam. On 2 July 1976 the two Vietnams were joined together under communist rule and officially named the Socialist Republic of Vietnam.
Sojourner Truth and Susan B. Anthony
There were many communist "type" insurrections, riot type actions, and covert actions during the cold war (1945 thru 1990). From Cuba to Turkey, from Italy to Greece; from Central America to Indonesia. But only two big communist wars involving armies, air forces, and navies: Korea and Vietnam.
The heat and smell. In the US the smell was of concrete and fossil fuels (traffic); in Vietnam it was the smell of vegetation mixed with swampy rivers, water buffaloes, and the humidity.
Both the royalist and insurgent forces.
Peasants
Sparta and Athens
Sparta and Athens
Sparta and Athens
Sparta and Athens
Sparta and Athens
they were marathon and athens
Sparta and Athens
They split their force into two armies.
They split their force into two armies.
In 1956, it divided Vietnam at the 17th parallel into North and South Vietnam. They remained that way until the South Vietnam government surrendered to North Vietnam forces in April, 1975.