Region
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Scotland
1
Singapore
5
Singapore --
1
Southeast Asia --
1
Soviet Union
3
Sweden
1
Switzerland
1
Syria
1
Texas --
1
Thailand
1
United States
61
United States --
1
United States,Army Air Corps --
1
United States. National Aeronautics and Space Administration --
2
Victoria
1
Victoria --
1
Vieena
1
Vietnam
1
united states
1