History 28 World War, 1939-1945 27 Guerre mondiale, 1939-1945 18 HISTORY 15 Histoire 15 Campaigns 14 Military 13 Military campaigns 12 World War II 12 Campagnes et batailles 11 Armed Forces 10 History, Military 9 Histoire militaire 7 Aerial operations, American 4 Fighter pilots 4 Military operations, Aerial 4 Western 4 American 3 Gays 3 General 3 Military Science 3 Military life 3 Other 3 Pilotes de chasse 3 Regimental histories 3 Soldiers 3 TECHNOLOGY & ENGINEERING 3 Armored troops 2 Command of troops 2 Commandement des troupes 2