Defenses 21 Armed Forces 4 Arms control -- 4 Defenses -- 4 Politics and government -- 4 Congresses 3 National security -- 3 more ... Security, International 3 Armed forces 2 Congresses -- 2 Foreign relations -- 2 History 2 Military relations -- 2 Appropriations and expenditures 1 Armed Forces -- 1 Arms control 1 Conflict management -- 1 Congress -- 1 Congresses. -- 1 Deterrence (Strategy) 1 Economic conditions - 1989- 1 Europe 1 European cooperation 1 History -- 1 Military operations -- 1 Military policy 1 Military policy -- 1 Military readiness 1 National secutity -- 1 Nuclear weapons -- 1 less ...