Region
Europe --
3
Asia --
2
Soviet Union
2
Soviet Union --
2
United States
2
United States --
2
Africa --
1
Communist countries --
1
East Asia --
1
Indonesia --
1
Israel --
1
Korea (South) --
1
Mediterranean Region
1
Mediterranean Region --
1
Middle East --
1
Pacific Area --
1
Palestine
1
Palestine --
1
Romania
1
Romania --
1
United States --
1
Yugoslav war, 1991 --
1
Yugoslavia
1