Armed Forces -- 153 Armed Forces 109 Armed forces -- 41 Military policy 39 History -- 35 Political activity 31 Politics and government -- 31 more ... Armed forces 24 National security -- 22 Defenses 19 Appropriations and expenditures 17 History 17 Security, International 17 Foreign relations -- 15 Military relations -- 15 Politics and government 15 Congresses 14 United Nations -- 14 Arms control -- 11 Disarmament -- 9 Civil -- 8 Defenses -- 8 Foreign countries 7 Political activity -- 7 Conflict management -- 6 Economic aspects 6 International police 6 Peace 6 Periodicals 6 Security, International -- 6 less ...