Military art and science 12 History 7 Swordplay 7 Defenses 4 Armed Forces 3 National security 3 Aeronautics, Military 2 more ... Drill and tactics 2 Early works to 1800 2 Foreign relations 2 Japanese 2 Japanese language 2 Military readiness 2 Military relations 2 Nuclear weapons 2 Philosophy 2 Relations militaires 2 World War, 1939-1945 2 18.87 Japanese language and literature 1 ALLIANCES 1 Aerial operations, Japanese 1 Airplanes 1 Armor 1 Art et science militaires 1 Assistance militaire américaine 1 Aufklärung (Militär) 1 Collectors and collecting 1 Diplomatic relations 1 English 1 English language 1 less ...