Region
Asia
United States
Pacific Area
35
China
15
Africa
8
Japan
5
South China Sea
5
East China Sea
4
Europe
4
Great Britain
2
Guam
2
India
2
Korea (North)
2
Korea (South)
2
Pacific Coast (Asia)
2
Philippines
2
Russia (Federation)
2
Soviet Union
2
Africa, North
1
Asia, Central
1
Australia
1
Caribbean Area
1
Central America
1
Clark Air Base (Philippines)
1
Communist countries
1
Developing countries
1
European Union countries
1
Foreign countries
1
France
1
Iran
1
Latin America
1
Middle East
1
North America
1
Oceania
1
Russia
1
South America
1
Subic Bay Naval Station (Philippines)
1
Taiwan
1
Vietnam
1
West (U.S.)
1