Geography
United States
35 results
Latin America
15 results
Vietnam
9 results
Cuba
8 results
Ireland
7 results
South Africa
5 results
Soviet Union
5 results
Afghanistan
4 results
Colombia
4 results
Confederate States of America
4 results
Developing countries
4 results
Missouri
4 results
Nicaragua
4 results
Philippines
4 results
China
3 results
France
3 results
Great Britain
3 results
India
3 results
Malaya
3 results
Northern Ireland
3 results
Africa
2 results
Africa, Southern
2 results
Angola
2 results
Appalachian Region, Southern
2 results
Bolivia
2 results
Ethiopia
2 results
Middle East
2 results
Namibia
2 results
Palestine
2 results
Peru
2 results
Poland
2 results
Southern States
2 results
Sri Lanka
2 results
Zimbabwe
2 results
2
1 results
Aerial operations
1 results
Africa, Sub-Saharan
1 results
Afrika
1 results
Afrique
1 results
Afrique du Sud
1 results
Algeria
1 results
America
1 results
Argentina
1 results
Arkansas
1 results
Bubbling Springs (Tenn. : Farm)
1 results
Burma
1 results
Caribbean Area
1 results
Central America
1 results
Chechni͡a
1 results
Chechni͡a (Russia)
1 results
more…