Region
United States
3,656
China
127
Afghanistan
120
Iraq
112
Russia (Federation)
107
Europe
81
Iran
58
Nevada
55
Nevada National Security Site (Nev.)
47
Middle East
40
Mexican-American Border Region
33
Pacific Area
32
Latin America
31
Pakistan
30
European Union countries
27
Syria
27
Israel
24
Mexico
24
Africa
23
Korea (North)
23
Soviet Union
23
Yemen (Republic)
22
Asia
21
East Asia
21
Bosnia and Herzegovina
19
Japan
19
Arctic regions
16
South Asia
16
India
14
Korea (South)
14
Outer space
14
Colombia
13
Indo-Pacific Region
13
Persian Gulf Region
12
Western Hemisphere
12
Asia, Eastern
11
Nevada National Security Site
11
Ukraine
11
Kosovo (Republic)
10
South America
10
Southeast Asia
10
Taiwan
10
Caribbean Area
9
Cuba
9
North America
9
Africa, North
8
Canada
8
Central America
8
Colorado
8
Hong Kong
8
more ...