Region
United States
260
Middle East
26
Russia (Federation)
23
China
20
Syria
20
Afghanistan
18
Iraq
18
Europe
15
Pacific Area
14
Africa
9
Iran
8
Asia
7
Korea (North)
6
Indo-Pacific Region
5
North America
5
South America
5
Korea (South)
4
Western countries
4
Ukraine
3
Cuba
2
Guantánamo Bay Naval Base
2
Hawaii
2
Mexican-American Border Region
2
Northern Mariana Islands
2
South Asia
2