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Defense, Ministry of defence, Secretary of State for Defence, Ministry of Defence (Estonia), Department of Defence (Australia), Minister of Defence (Denmark), Minister for Defence (Australia), Defence Intelligence, Minister for Defence (Ireland), Department of National Defence (Canada), Ministry of Defence (Sri Lanka), Defence Secretary (Pakistan), Defence Forces, Minister of State for Defence Procurement and Industry, Ministry of Defence (Albania), Minister of Defence (Vietnam), Minister of National Defence (Canada), Ministry of National Defence (Lithuania), Ministry of Defence (United Kingdom), Defence Forces (Ireland), Total Defence (Singapore), Minister of Defence (Finland), Ministry of Defence (Belarus), Ministry of Defence (Belgium), Defence Minister of Nigeria, Minister of Defence and Military Veterans, Defence Science and Technology Group, Ministry of Defence (Russia), Ministry of Defence (Bulgaria), Defence Training Estate, Defence Secretary (India), Owen's Defence, European Defence League, Ministry of Defence (Singapore), Minister of Defence (Sri Lanka), Defence Strategic Policy and Intelligence Group, Ministry of Defence (Austria), Ministry of Defence (India), Chief of the Defence Staff (Canada), Australian Defence Organisation, Minister for Defence Industry

Civil Defence Corps, Minister for Defence Personnel, Current senior Australian Defence Organisation personnel, Emergency Powers (Defence) Act 1939, Defence Research and Development Canada, Minister for Defence (Sweden), Ministry of Defence (1947–1964), Chief of Defence (Denmark), Ministry of Defence Production (Pakistan), Defence mechanism, Ministry of Defence (Kenya), Chief of the Defence Force, Point-defence, Chief of the Defence Staff, Ministry of Defence and Security (Botswana), Defence Equipment and Support, Commander of the Defence Force, List of German defence ministers, Ministry of Defence (Sweden), Ministry of Defence (Pakistan), Indian Defence, St. George Defence, Konštrukta – Defence, Minister of Defence (Russia), Defence industry of Victoria, Defence in depth, Chief of Staff of the Defence Forces (Ireland), Air Defence Battalion (Lithuania), Chief of Defence Staff (Nigeria), Minister of Defence (Pakistan), Chief of Defence Forces (Georgia), Ministry of Defence (Vietnam), Minister of Militia and Defence, Minister of Defence (India), Defence CBRN Centre, Ministry of Defence (Czech Republic), Finnish Defence Forces, Ministry of Defence (Slovakia), Chief of Defence Force (New Zealand), Ministry of Defence (Croatia), Shadow Secretary of State for Defence, Estonian Defence League, Ministry of Defence (Yugoslavia), Defence of Australia policy, Ministry of Defence (Malaysia), Defence Review, Defence Infrastructure Organisation, UK Defence and Security Exports, Chief of Defence (Norway), Minister of Defence (Hungary)

Defense, Ministry of defence, Secretary of State for Defence, Ministry of Defence (Estonia), Department of Defence (Australia), Minister of Defence (Denmark), Minister for Defence (Australia), Defence Intelligence, Minister for Defence (Ireland), Department of National Defence (Canada), Ministry of Defence (Sri Lanka), Defence Secretary (Pakistan), Defence Forces, Minister of State for Defence Procurement and Industry, Ministry of Defence (Albania), Minister of Defence (Vietnam), Minister of National Defence (Canada), Ministry of National Defence (Lithuania), Ministry of Defence (United Kingdom), Defence Forces (Ireland), Total Defence (Singapore), Minister of Defence (Finland), Ministry of Defence (Belarus), Ministry of Defence (Belgium), Defence Minister of Nigeria, Minister of Defence and Military Veterans, Defence Science and Technology Group, Ministry of Defence (Russia), Ministry of Defence (Bulgaria), Defence Training Estate, Defence Secretary (India), Owen's Defence, European Defence League, Ministry of Defence (Singapore), Minister of Defence (Sri Lanka), Defence Strategic Policy and Intelligence Group, Ministry of Defence (Austria), Ministry of Defence (India), Chief of the Defence Staff (Canada), Australian Defence Organisation, Minister for Defence Industry, Civil Defence Corps, Minister for Defence Personnel, Current senior Australian Defence Organisation personnel, Emergency Powers (Defence) Act 1939, Defence Research and Development Canada, Minister for Defence (Sweden), Ministry of Defence (1947–1964), Chief of Defence (Denmark), Ministry of Defence Production (Pakistan), Defence mechanism, Ministry of Defence (Kenya), Chief of the Defence Force, Point-defence, Chief of the Defence Staff, Ministry of Defence and Security (Botswana), Defence Equipment and Support, Commander of the Defence Force, List of German defence ministers, Ministry of Defence (Sweden), Ministry of Defence (Pakistan), Indian Defence, St. George Defence, Konštrukta – Defence, Minister of Defence (Russia), Defence industry of Victoria, Defence in depth, Chief of Staff of the Defence Forces (Ireland), Air Defence Battalion (Lithuania), Chief of Defence Staff (Nigeria), Minister of Defence (Pakistan), Chief of Defence Forces (Georgia), Ministry of Defence (Vietnam), Minister of Militia and Defence, Minister of Defence (India), Defence CBRN Centre, Ministry of Defence (Czech Republic), Finnish Defence Forces, Ministry of Defence (Slovakia), Chief of Defence Force (New Zealand), Ministry of Defence (Croatia), Shadow Secretary of State for Defence, Estonian Defence League, Ministry of Defence (Yugoslavia), Defence of Australia policy, Ministry of Defence (Malaysia), Defence Review, Defence Infrastructure Organisation, UK Defence and Security Exports, Chief of Defence (Norway), Minister of Defence (Hungary), Ministry of Defence (Denmark), Ministry of Defence (Ukraine), Defence batteries, Royal Artillery, Defence Research and Development Organisation, Ministry of Defence (Artsakh), Minister of Defence (Estonia), 7th Air Defence Group, Chief of Defence (Netherlands), Minister of Defence (Italy), Corps of Army Air Defence, Ministry of Defence (Norway), Ministry of Defence (Namibia), Defence industry of Australia, Deputy Chief of the Defence Staff, Alekhine's Defence, Defence Logistics Organisation, Ukrainian territorial defence battalions, Ministry of Defence (Nepal), Ministry of Defence (Serbia), Minister of Defence (United Kingdom), Ministry of Defence (New Zealand), Indian Ballistic Missile Defence Programme, Soviet Air Defence Forces, Chief of Defence Force (Singapore), Minister of Defence (Armenia), National Defence Commission, Minister for National Defence (Greece), Ministry of Defence (Guatemala), Ministry of Defence (Italy), Chief of defence, Committee of Imperial Defence, Federal Ministry of Defence (Germany), Defence pensions in India, Defence-class ironclad, Ministry of Defence Police, Chief of Defence Forces (Thailand), British Defence Staff – US, Minister of Defence (Soviet Union), Defence Islands, Australian Defence College, Ministry of National Defence (Greece), Australian Defence Force, National Defence College (India), Swedish Defence Materiel Administration, Ministry of Defence (Slovenia), Airbus Defence and Space, List of defence ministers of Thailand, Defence Act, Media Defence, Defence for Children International, Department of Defence (South Africa), Ministry of Defence (Bosnia and Herzegovina), Chief of the Defence Staff (United Kingdom), Defence Council of the United Kingdom, South African Defence Force, Chief of the Defence Force (Australia), National Defence University (Pakistan), Common Security and Defence Policy, Commandant of the National Defence Academy, Permanent Under-Secretary of State for Defence