Region
Congo (Democratic Republic)
28
United States
11
Vietnam (Democratic Republic)
10
Vietnam
3
Afghanistan
2
Africa
2
Russia (Federation)
2
Rwanda
2
South Africa
2
Soviet Union
2
Africa, Central
1
Africa, West
1
Africa, Western
1
Arab countries
1
Belarus
1
Belgium
1
Burundi
1
China
1
Colombia
1
Developing countries
1
Ethiopia
1
Europe, Eastern
1
Former Soviet republics
1
France
1
Georgia (Republic)
1
Germany (West)
1
Great Lakes Region (Africa)
1
Iran
1
Iraq
1
Katanga
1
Katanga (Congo)
1
Libya
1
Middle East
1
Northern Ireland
1
Tunisia
1
Turkey
1
Ukraine
1
Vietnam, Northern
1
Điêṇ Biên Phu ̉(Vietnam)
1