World War, 1939-1945 213 Aerial operations, American 109 History 97 Military operations, Aerial 78 Aerial operations 63 American 53 Campaigns 40 more ... Aerial operations, British 36 Bombing, Aerial 30 Military campaigns 21 Air pilots, Military 17 Fighter pilots 16 British 15 Regimental histories 13 Women air pilots 13 World War, 1939-1945 -- Aerial operations, American 13 Armed Forces 12 Aerial operations, Japanese 10 Prisoners and prisons, German 10 Air power 9 Participation, Female 9 Prisoners of war 9 World War, 1939-1945 -- Aerial operations, British 9 Destruction and pillage 8 Military participation 8 Moral and ethical aspects 8 Naval operations, American 8 Participation, African American 8 World War, 1914-1918 8 Aerial operations, German 6 less ...