Region
United States --
9
United States
5
Europe --
3
United states --
3
Asia, Southeastern
2
Asia, Southeastern --
2
Europe
2
Soviet Union
2
Soviet Union --
2
Cambodia
1
Canada --
1
China
1
China --
1
France
1
France --
1
Germany
1
Germany --
1
Iran
1
Iraq
1
Iraq --
1
Iraq war, 2003
1
Korea (North)
1
Malaysia --
1
Pacific Area
1
Pacific Area --
1
Pacific area
1
Pacific area --
1
Somalia
1
Soviet --
1