The USSR trained North Vietnamese pilots in the Soviet Union for periods of up to two years per student to fly MIG 17 & MIG 21 jets. Red China trained North Vietnamese pilots to fly the MIG 19 (J6 version). Both Red China/USSR supplied those same jets to the North Vietnamese Air Force. Nationalist China was an ally of the United States during that war. There were TWO CHINAS!
Germany Russia
'55.
Vietnam.
1964-1975
B
Great Britain did not send troops to Vietnam during the war.
The UN didn't fight in the Vietnam War; the UN was in Korea.
Invitation by the Republic of South Vietnam.
To stop the spread of communism:))
easy YES!
When Nixon ordered "military trainers" to Vietnam, the U.S. then started to become actively involved in Vietnam combat.
The Cold War, then Vietnam.