Region
United States --
27
United states --
United States
16
China --
2
Japan
2
Japan --
2
Africa, Northeast
1
Africa, Northeast --
1
Africa, Southern --
1
Caribbean Area --
1
China
1
Foreign countries
1
Greece
1
Greece --
1
India
1
India --
1
Indonesia
1
Indonesia --
1
Korea (South)
1
Korea(Souith) --
1
Korea(South)
1
Korea(South) --
1
Middle East
1
Middle East --
1
Pakistan
1
Pakistan --
1
Soviet Union --
1
Unites States
1
Vietnamese Conflict, 1961-1975
1