Region
Vietnam
Vietnam --
United States
9
United States --
9
Cambodia --
6
Cambodia
5
China
4
China --
4
Asia, Southeastern
2
Asia, Southeastern --
2
United states --
2
ASEAN
1
Asean --
1
Asia
1
Asia --
1
East Asia
1
East Asia --
1
India
1
India --
1
Indochina
1
Indochina --
1
Japan
1
Japan --
1
Kampuchea
1
Kampuchea --
1
Laos
1
Laos --
1
Soviet Union
1
Soviet Union --
1