Region
United States
737
Great Britain
20
Germany
16
Arizona
9
Alaska
6
Japan
6
California
5
Canada
5
Europe
5
China
4
Grand Canyon National Park (Ariz.)
3
Michigan
3
New York (State)
3
North Carolina
3
Russia
3
Tennessee
3
Arlington
2
Australia
2
Chicago
2
Cleveland
2
Dessau (Dessau)
2
Edwards Air Force Base (Calif.)
2
Egypt
2
European Union countries
2
Florida
2
Georgia
2
Grand Canyon National Park
2
Hawaii
2
Hudson River (N.Y. and N.J.)
2
Illinois
2
Lake and Peninsula Borough
2
Lake and Peninsula Borough (Alaska)
2
Marietta
2
Morocco
2
New York
2
Ohio
2
Okinawa Island
2
Outer space
2
South Carolina
2
Soviet Union
2
Tinker Air Force Base (Okla.)
2
Virginia
2
Aden (Yemen)
1
Afghanistan
1
Alaska-Siberia Air Route (Alaska and Russia)
1
Altus Air Force Base (Okla.)
1
Andes Region
1
Arctic regions
1
Asia
1
Atlantique Nord
1
more ...