Aerial operations, British 36 World War, 1939-1945 36 History 22 British 15 Military operations, Aerial 15 Aerial operations, American 10 World War, 1939-1945 -- Aerial operations, British 9 more ... American 5 Bombing, Aerial 5 Campaigns 5 Air pilots, Military 4 Destruction and pillage 4 Escapes 4 Underground movements 4 World War, 1939-1945 -- Aerial operations, American 4 Flight crews 3 Military campaigns 3 Secret service 3 Air power 2 Bomber Command 2 Military scientists 2 Moral and ethical aspects 2 Naval operations, British 2 Operations research 2 War 2 Women 2 World War, 1939-1945--Aerial operations, British 2 World War, 1939-1945-Aerial operations, British 2 Aerial operations 1 Aerial operations, French 1 less ...