Air pilots, Military World War, 1939-1945 53 History 47 Aerial operations, American 34 World War, 1914-1918 16 Aerial operations, British 14 Campaigns 13 more ... Officers 12 Vietnam War, 1961-1975 12 Aerial operations 11 Aeronautics, Military 7 African Americans 6 Bomber pilots 6 History, Military 6 Prisoners of war 6 Training of 6 Women air pilots 6 Escapes 5 Flight crews 5 Underground movements 5 Airplanes, Military 4 Americans 4 Aviation 4 Explorers 4 Fighter pilots 4 Secret service 4 Marshals 3 Participation, African American 3 Prisoners and prisons 3 Prisoners and prisons, German 3 less ...