Region
United States
240
Middle East
25
Russia (Federation)
22
Syria
20
China
18
Iraq
18
Afghanistan
16
Europe
14
Pacific Area
13
Africa
8
Iran
8
Asia
6
Korea (North)
6
Indo-Pacific Region
4
Korea (South)
4
North America
4
South America
4
Western countries
4
Cuba
2
Guantánamo Bay Naval Base
2
Hawaii
2
Mexican-American Border Region
2
Northern Mariana Islands
2
South Asia
2
Ukraine
2