Region
Soviet Union
Soviet Union --
12
United States
9
United States --
7
Afghanistan --
1
Africa, Northeast
1
Africa, Northeast --
1
Asia
1
Asia --
1
Austria --
1
China
1
Eastern Europe
1
Espionage, America --
1
Ethiopia
1
Ethiopia --
1
Europe, Eastern
1
Europe, Eastern --
1
Outer space --
1
Russia (Federation)
1
Russia --
1
Southeast Asia
1
Southeast Asia --
1
Soviet Union --
1
United States --
1
Vienna
1