Geography
United States
47 results
Europe
12 results
Russia (Federation)
6 results
Soviet Union
4 results
Developing countries
3 results
Germany
3 results
China
2 results
Persian Gulf Region
2 results
URSS
2 results
États-Unis
2 results
Arnold Air Force Base (Tenn.)
1 results
Canada
1 results
Germany (West)
1 results
Iran
1 results
Korea (North)
1 results
Middle East
1 results
Ukraine
1 results
Yugoslavia
1 results