Region
Soviet Union
United States
Soviet Union --
14
United States --
14
Europe
2
Afghanistan
1
Afghanistan --
1
Africa
1
Africa --
1
Angola
1
Angola --
1
Austria --
1
Developing countries
1
Developing countries --
1
Eastern Europe
1
Espionage, America --
1
Europe --
1
Europe, Eastern
1
Europe, Eastern --
1
Israel
1
Israel --
1
Middle East
1
Middle East --
1
Syria
1
Syria --
1
United states --
1
Vienna
1