Region
United States
415
Washington (D.C.)
7
China
4
West (U.S.)
3
Colorado
2
Great Britain
2
Pacific Area
2
Ukraine
2
Afghanistan
1
Alaska
1
Asia, Eastern
1
Bosnia and Herzegovina
1
California
1
Cannon Air Force Base (N.M.)
1
East Asia
1
Egypt
1
Europe
1
Europe, Central
1
Mexico, Gulf of
1
New Mexico
1
North America
1
Peterson Air Force Base (Colo.)
1
Puerto Rico
1
Soviet Union
1
Srebrenica
1