Region
United States
321
Soviet Union
14
China
10
Great Britain
5
Vietnam
5
Israel
4
Washington (D.C.)
4
Canada
3
Iran
3
Arab countries
2
Attica
2
California
2
Chile
2
Europe
2
Middle East
2
New York (State)
2
Wisconsin
2
Alabama
1
Birmingham
1
California, Southern
1
Cambodia
1
Canal Zone
1
Central America
1
Egypt
1
England
1
Europe, Western
1
Iraq
1
Japan
1
Latin America
1
Lebanon
1
London (England)
1
Maryland
1
Ohio
1
Panama
1
Panama Canal (Panama)
1
Persian Gulf Region
1
Russia
1
Saudi Arabia
1
Southeast Asia
1
Western Europe
1
États-Unis
1