Region
United States
66
Soviet Union
11
Persian Gulf Region
3
France
2
Great Britain
2
Iraq
2
Mexico
2
Vietnam
2
Berlin
1
Berlin (Germany)
1
China
1
Communist countries
1
Cuba
1
Egypt
1
Europe, Eastern
1
Germany
1
Germany (West)
1
Greece
1
Grenada
1
Korea (North)
1
Middle East
1
Nicaragua
1
Russia
1
Saudi Arabia
1
Taiwan
1
Veracruz (Veracruz-Llave, Mexico)
1