The British fought in Korea, not Vietnam.
Approximately 588 men from the state of Louisiana died in the Korean War. See: "Korean War Educator: Korean War Memorials-Index of States", for more information.
The Soviet Union (USSR) supplied North Vietnam, and the US fought for South Vietnam.
Japan fought Vietnam during that war
Vietnam...
The "Air War" was fought over North Vietnam. The "Ground War" was fought in South Vietnam.
The State That Fought At The Vietnam War Was The united States
Mississippi. The campaign also involved a successful cavalry raid that included Louisiana, and one battle in Arkansas.
A military officer that fought in the Vietnam War. A Vietnam War soldier would be a "soldier that fought in the Vietnam War.
North Vietnam and South Vietnam. Also, to name just a few: the USA, China, Russia, South Korea, Australia, France, and England. A great many countries fought in the Vietnam War from 1945 to 1975.
Vietnam vets, collectively. If you're looking for a list of specific names, sorry. That information is private.
Recieving an accurate answer requires asking an accurate question. Which Vietnam, north or south? Or Indochina in particular such as Cambodia, Laos, and current Vietnam or the former North/South Vietnams?