- Entry
- Reader's guide
- Entries A-Z
- Subject index
Threat Advisory Levels
A color-coded indicator of the likelihood of a forthcoming terrorist attack on the United States or its citizens and interests abroad. Introduced by the U.S. Department of Homeland Security in the wake ...
- Armed Forces and Other Defenders
- Air Cavalry
- All-Volunteer Force
- Base Closure
- Civil Air Patrol
- Coast Guard, the, and National Security
- Codetalkers
- Conscription/Volunteer Force
- Conventional Forces in Europe Treaty (1990)
- Enlisted Personnel
- Green Berets
- Military Draft
- Militia
- National Guard
- Noncommissioned Officer
- Protective Gear
- Rapid Deployment Force (RDF)
- Reserve Forces
- Reserve Officers' Training Corps (ROTC)
- Rules of Engagement
- Signals Intelligence (SIGINT)
- Special Forces
- Strategic Forces
- U.S. Air Force
- U.S. Army
- U.S. Coast Guard
- U.S. Marine Corps
- U.S. Navy
- U.S. Northern Command
- U.S. Pacific Command
- U.S. Southern Command
- Alliances, Pacts, and Treaties
- Alliance for Progress
- Alliances
- Antiballistic Missile (ABM) Treaty (1972)
- ANZUS Security Treaty (1951)
- ASEAN
- Atlantic Alliance
- Atlantic Charter
- Australia Group
- Biological Weapons Convention
- Bretton Woods Conference
- Chemical Weapons Convention
- Comprehensive Test Ban Treaty (1996–)
- Dayton Accords
- European Union
- General Agreement on Tariffs and Trade (GATT)
- Geneva Conventions
- Hague Convention (1907)
- Holy Alliance
- Limited Test Ban Treaty
- MERCOSUR
- North American Free Trade Agreement (NAFTA)
- North Atlantic Treaty Organization (NATO)
- Nuclear Non-Proliferation Treaty (NPT)
- OPEC (Organization of Petroleum Exporting Countries)
- Organization for Security and Co-Operation in Europe (OSCE)
- Organization of American States
- Southeast Asia Treaty Organization (SEATO)
- U.S.–Japan Alliance
- U.S.–Philippine Alliance
- U.S.–ROK Alliance
- U.S.–Thailand Alliance
- Warsaw Pact
- Armaments and Weapons Systems
- AEGIS Weapon System
- Agent Orange
- Aircraft Carrier
- Antitank Missiles
- Artillery
- Assault Rifles
- Atomic Bomb
- Ballistic Missiles
- Bikini Atoll
- Biological Weapons and Warfare
- Biotechnology
- Chemical Weapons
- Cruise Missile
- Decoys
- Defense Contractors
- Dirty Bomb
- Doomsday Machine
- F-117A Stealth Fighters
- Fighter Aircraft
- Fissile Material
- Future Combat System
- Germ Warfare
- Global Positioning System (GPS)
- HARM Missile
- Helicopters
- Intercontinental Ballistic Missiles (ICBMs)
- Joint Strike Fighter (JSF)
- Land Mines
- Manhattan Project
- Missiles
- Mortar
- Multiple Independently Targetable Reentry Vehicles (MIRVs)
- Naval Aviation
- Neutron Bomb
- NORAD (North American Aerospace Defense Command)
- Nuclear Weapons
- Patriot Missile
- Penetrating Munitions
- Prepositioned Equipment
- Protective Gear
- Radar (Radio Detection and Ranging)
- Radiological Dispersion Device (RDD) or Dirty Bomb
- Sea-Launched Ballistic Missiles (SLBMs)
- Smart Bomb
- Space-Based Weapons
- Spy Satellites
- Stinger Missiles
- Submarine Warfare
- Submarines
- Surface to Air Missile (SAM)
- Tactical Nuclear Weapons
- Tanks
- Tomahawk Cruise Missiles
- Unmanned Aerial Vehicles (UAVs)
- V-22A Osprey
- Weapons of Mass Destruction (WMD)
- Concepts and Theories
- McCarthyism
- Affirmative Action
- Agreed Framework
- All-Volunteer Force
- Amnesty
- Amphibious Warfare
- Anarchy
- Arms Control
- Asymmetric Warfare
- Autarky
- Axis of Evil
- Balance of Power
- Bilateralism
- Biodefense/Biosecurity
- Biotechnology
- Bipolarity
- Bomber Gap
- Bottom-Up Review
- Brinkmanship
- Burdensharing
- Bush Doctrine
- Central Front in Europe
- Civil Liberties
- Civil-Military Relations
- Classification
- Client State
- Coercive Diplomacy
- Collective Security
- Colonialism
- Combat Effectiveness
- Communism
- Communism and National Security
- Compellence
- Computer Security
- Conflict-Resolution Theory
- Containment
- Containment and the Truman Doctrine
- Conversion, Defense
- Cooperative Security
- Cooperative Threat Reduction (Nunn-Lugar)
- Counter-Force doctrine
- Counterterrorism
- Counterthreat
- Countervalue
- Covert Action
- Covert Operations
- Cryptology
- Cyberlaw
- Détente
- Decolonization
- Defense Budgeting
- Demilitarized Zone (DMZ) in Korea
- Democracy, Promotion of, and Terrorism
- Democratic Peace
- Democratization
- Denial
- Deterrence
- Development, Third-World
- Disarmament
- Dissent
- Doctrine
- Domino Theory
- Don't Ask, Don't Tell
- Dual-Use Technology
- Duck and Cover
- Economic Sanctions
- Emergency Preparedness and Response
- Ethnic Cleansing
- Fifth Column
- First Strike
- Flexible Deterrent Options
- Foreign Aid
- Foreign Dependency
- Forward Basing
- Gender Issues
- Genocide
- Geopolitical Intelligence
- Geopolitics
- Geospatial Mapping
- Glasnost
- Globalization and National Security
- Grand Strategy
- Great Power Rivalry
- Guerrilla Warfare
- Hawk/Dove
- Hegemony
- Homeland Security
- Human Intelligence (HUMINT)
- Human Rights
- Humanitarian Aid
- Hyperpower
- Imperialism
- Inadvertent War
- Income Disparity, Global
- Infectious Diseases
- Intelligence and Counterintelligence
- Interdependence
- International Law
- International Peacekeeping and Overseas Deployments
- Interservice Rivalry
- Interventionism
- Iron Curtain
- Islamic Fundamentalism
- Isolationism
- Joint Chiefs of Staff
- Joint Defense Planning
- Just War Theory
- Justice, Military
- Launch on Warning
- Law Enforcement and National Security
- Legal Ramifications of National Security
- Limited Nuclear Option
- Loose Nukes
- Major Theater Wars
- Manifest Destiny
- Marshall Plan
- Mass Army
- McCarthyism
- Media and National Security
- Military Doctrine
- Military Draft
- Military Education and Training
- Military-Industrial Complex
- Missile Gap
- Monetary Policy
- Money Laundering and National Security
- Monroe Doctrine
- Multilateralism
- Multipolarity
- Mutual and Balanced Force Reductions
- Mutually Assured Destruction (MAD)
- Nanotechnology
- Narcotrafficking
- Nation Building
- National Missile Defense
- National Power, Determinants of
- National Security Strategy of the United States
- Nationalism
- Nation-State
- Natural Resources and National Security
- Neoconservatism
- New World Order
- Non- and Counterproliferation
- NSC-68 (National Security Report)
- Nuclear Deterrence
- Nuclear Proliferation
- Nuclear Utilization Theory (NUT)
- Nuclear Winter
- Offensive Biological Weapons Program
- Offshore Balancing
- Open Door Policy
- Operations Other than War (OOTW)
- Order of Battle
- Pacifism
- Peacekeeping Operations
- Perestroika
- Police Action
- Political Assassination
- Positive Sum Game
- Power, World
- Preemption
- Preemptive Force
- Preemptive War Doctrine
- Presidential Decision Directives (PDDs)
- Preventive War
- Prisoner's Dilemma
- Privacy Rights
- Privatization
- Prohibition on Weaponizing Space
- Propaganda
- Psychological Warfare (PSYOPS)
- Public Diplomacy
- Public Health, National Security and
- Quadrennial Defense Review (QDR)
- Rapid Deployment Force (RDF)
- Reagan Doctrine
- Realism
- Realpolitik
- Regionalism
- Reserve Forces
- Rules of Engagement
- Sealift
- Secure Second Strike
- Security Dilemma
- Signals Intelligence (SIGINT)
- Small-Scale Contingencies
- Sovereignty
- Space Race
- Stealth Technologies
- Strategic Bombing
- Strategic Culture
- Strategic Defense Initiative (SDI)
- Strategic Forces
- Strategic Nuclear Triad
- Suicide Bombing
- Superpower
- Surge Capacity
- Sustainable Development
- Tactics, Military
- Terrorism, U.S. (Domestic)
- Terrorism, War on International
- Theater Missile Defense
- Threat Advisory Levels
- Threat Assessment
- Totalitarianism
- Trade and Foreign Aid
- Trade Liberalization
- Treason
- Triad
- Trip Wire
- Tyranny
- UN Peacekeeping
- Unilateralism
- Uranium, Depleted
- Verification
- War Crimes
- War Games
- Zero Sum Game
- Decision Makers and Others
- Johnson v. Eisentrager (1950)
- Armed Services Committees
- Bin Laden, Osama (1957–)
- Brodie, Bernard (1910–1978)
- Brzezinski, Zbigniew (1928–)
- Bundy, McGeorge (1919–1996)
- Bush, George H. W., and National Policy
- Bush, George W., and National Policy
- Carter, Jimmy, and National Policy
- Cheney, Richard (1941–)
- Church, Frank (1924–1984)
- Clinton, Bill (William Jefferson), and National Policy
- De Gaulle, Charles (1890–1970)
- Doolittle, Jimmy (1896–1993)
- Eisenhower, Dwight D., and National Policy
- Ford, Gerald R., and National Policy
- Gorbachev, Mikhail (1931–)
- Hiss, Alger (1904–1996)
- Hoover, J. Edgar (1895–1972)
- Huntington, Samuel P. (1927–)
- Iklé, Fred (1924–)
- Jackson, Henry (1912–1983)
- Kahn, Herman (1922–1983)
- Kennan, George (1904–2005)
- Kennedy, John F., and National Policy
- Khrushchev, Nikita (1894–1971)
- Kissinger, Henry (1923–)
- LeMay, Curtis (1906–1990)
- Lindh, John Walker (1981–)
- Lugar, Richard (1932–)
- MacArthur, Douglas (c. 1880–1964)
- Machiavelli, Niccolò (1469–1527)
- Mao Zedong (1893–1976)
- McNamara, Robert (1916–)
- Mihn, Ho Chi (1890–1969)
- Morgenthau, Hans (1904–1980)
- Moussaoui, Zacarias (1968–)
- Nitze, Paul H. (1907–2004)
- Nixon, Richard, and National Policy
- Nunn, Sam (1938–)
- Oppenheimer, J. Robert (1904–1967)
- Patton, George (1885–1945)
- Powell, Colin (1937–)
- Putin, Vladimir (1952–)
- Reagan, Ronald, and National Policy
- Roosevelt, Franklin D., and National Policy
- Roosevelt, Theodore (1858–1919)
- Rumsfeld, Donald (1938–)
- Saddam Hussein (1937–)
- Schelling, Thomas (1921–)
- Sherman, William Tecumseh (1820–1891)
- Stalin, Joseph (1878–1953)
- Sun-Tzu (300s BCE)
- Teller, Edward (1908–2003)
- Thucydides (c. 460–400 BCE)
- Truman, Harry S., and National Policy
- Unabomber (Theodore J. Kaczynski, 1942–)
- Von Braun, Werner (1912–1977)
- Von Clausewitz, Karl (1780–1831)
- Westmoreland, William (1914–)
- Yeltsin, Boris (1931–)
- Key Events
- Ex Parte Quirin
- In re Territo (1946)
- Afghan Wars
- Afghanistan, War in
- Al-Khobar, Attack on U.S. Troops at (1996)
- Arab Americans
- Arab Oil Embargo
- Arab-Israeli Conflict
- Arms Race
- Bali, Terrorist Bombing in
- Bay of Pigs
- Berlin Airlift
- Berlin Crises
- Berlin Wall
- Blitzkrieg
- Bosnia Intervention
- Bretton Woods Conference
- Bulge, Battle of the
- Camp David Accords
- Cold War
- Comprehensive Test Ban Treaty
- Cuban Missile Crisis
- Dayton Accords
- D-Day
- Dien Bien Phu
- Dresden, Bombing of
- Freedom of Information Act (1967)
- Fulda Gap
- Gas Protocol of 1925
- Grenada Intervention
- Guadalcanal, Battle of (1943)
- Gulf of Tonkin Resolution
- Hague Convention (1907)
- Hiroshima
- House Un-American Activities Committee (HUAC)
- Inchon Landing
- INF Treaty
- Iran-Contra Affair
- Iranian Hostage Crisis
- Iraq War of 2003
- Iraqgate
- Kellogg-Briand Pact (1928)
- Korean War
- Korean War, Entry Into
- Kosovo Intervention
- Lend-Lease
- Leyte Gulf, Battle of (1944)
- Libya Bombing (1986)
- Limited Test Ban Treaty
- London Naval Conferences (1909, 1930)
- Marine Barracks, Beirut (1983)
- Mayaguez Affair
- Middle East Conflicts (1956, 1967, 1973)
- Midway, Battle of (1942)
- Nagasaki
- National Security Act, 1947
- Nixon Shocks
- Normandy Invasion
- North Korea Crises (1994–)
- Nuclear Non-Proliferation Treaty (NPT)
- Nuclear Test-Ban Treaty
- Oklahoma City Bombing
- Operation Desert Storm (1991)
- Pearl Harbor
- Pentagon Papers
- Potsdam Conference (1945)
- Pueblo Incident
- Pusan Perimeter
- Reykjavik
- Ruby Ridge
- September 11/WTC and Pentagon Attacks
- Somalia Intervention (1992)
- Spanish-American War (1898)
- Sputnik
- Strategic Arms Limitation Talks (SALT)
- Strategic Arms Reduction Talks (START)
- Suez Canal Crisis (1956)
- Summit Conferences
- Tailhook Scandal
- Tet Offensive
- Tonkin Gulf Resolution
- U2 Spy Plane Incident (1960)
- USS Cole Bombing
- Washington Naval Treaty (1922)
- Yalta Conference (1945)
- Movements
- Military Hardware
- AEGIS Weapon System
- Aircraft Carrier
- Antitank Missiles
- Cruise Missile
- F-117A Stealth Fighters
- Fighter Aircraft
- HARM Missile
- Helicopters
- Intercontinental Ballistic Missiles (ICBMs)
- Joint Strike Fighter
- Missiles
- Multiple Independently Targetable Reentry Vehicles (MIRVs)
- Patriot Missile
- Sea-Launched Ballistic Missiles (SLBMs)
- Space-Based Weapons
- Stinger Missiles
- Submarines
- Surface to Air Missile (SAM)
- Tanks
- Tomahawk Cruise Missiles
- Unmanned Aerial Vehicles (UAVs)
- V-22A Osprey
- Military and Nonmilitary Strategy
- Agent Orange
- Agreed Framework
- Air Warfare
- Airborne Warning and Control System (AWACS)
- Air-Land Battles
- Airlift
- Anti-Submarine Warfare
- Arms Procurement
- Asymmetric Warfare
- Atlantic Alliance
- Balance of Power System
- Bilateralism
- Biodefense/Biosecurity
- Blitzkrieg
- Bomber Gap
- Bottom-Up Review
- Brinkmanship
- Bush Doctrine
- Carpet Bombing
- Central Front in Europe
- Coalition Building
- Coercive Diplomacy
- Collective Security
- Combat Effectiveness
- Containment
- Containment and the Truman Doctrine
- Counter-Force doctrine
- Counterterrorism
- Covert Action
- Covert Operations
- Cryptology
- Détente
- Defense Budgeting
- Demilitarized Zone (DMZ) in Korea
- Deterrence
- Disarmament
- Distant Early Warning (DEW) Line
- Dual-Use Technology
- Duck and Cover
- Electronic Warfare (EW)
- Emergency Preparedness and Response
- First Strike
- Forward Basing
- Germ Warfare
- Homeland Security Advisory System (Color-Coded Alerts)
- International Peacekeeping and Overseas Deployment
- Joint Chiefs of Staff
- Joint Defense Planning
- Joint Operations
- Limited Nuclear Option
- Major Theater Wars
- Manhattan Project
- Mutually Assured Destruction (MAD)
- National Missile Defense
- National Security Strategy of the United States
- Nuclear Deterrence
- Offensive Biological Weapons Program
- Offshore Balancing
- Preemption
- Preemptive Force
- Preemptive War Doctrine
- Preventive Defense Strategy
- Quadrennial Defense Review (QDR)
- Satellite Reconnaissance
- Sealift
- Secure Second Strike
- Single Integrated Operational Plan (SIOP)
- Space Race
- Strategic Bombing
- Suicide Bombing
- Tactics, Military
- Theater Missile Defense
- Threat Assessment
- Two-Theater War
- War Games
- War Planning
- Organizations, Institutions, and Groups
- Armed Services Committees
- Arms Control and Disarmament Agency
- Ba'ath Party
- Branch Davidians
- Bureau of Alcohol, Tobacco and Firearms
- CENTCOM
- Central Intelligence Agency (CIA)
- Council on Foreign Relations
- Defense Contractors
- Defense Information System Agency (DISA)
- Defense Intelligence Agency (DIA)
- Defense Threat Reduction Agency
- Department of Defense, U.S. (DoD)
- Department of Energy, U.S.
- Department of State, U.S.
- European Union
- Federal Bureau of Investigation (FBI)
- Federal Emergency Management Agency (FEMA)
- Food and Agriculture Organization (FAO)
- Halliburton Corporation
- Homeland Security Council
- Homeland Security, Department of
- House Un-American Activities Committee (HUAC)
- International Atomic Energy Agency
- International Criminal Court
- International Monetary Fund
- INTERPOL
- Irish Republican Army (IRA)
- Jackson Committee
- Johnson, Lyndon B., and National Policy
- Justice, Department of
- League of Nations
- MERCOSUR
- Military Sealift Command (MSC)
- Military Traffic Management Command (MTMC)
- Missile Technology Control Regime (MTCR)
- National Counterintelligence Center (NACIC)
- National Defense Panel (NDP)
- National Defense University
- National Security Agency (NSA)
- National Security Committee
- National Security Council (NSC)
- National Security, U.S. Commission on (USCNS)
- North Atlantic Treaty Organization (NATO)
- Office of Domestic Preparedness
- Office of Naval Research (ONR)
- Office of Net Assessment
- Office of Strategic Services (OSS)
- Office of the Secretary of Defense (OSD)
- OPEC (Organization of Petroleum Exporting Countries)
- Organization for Security and Co-Operation in Europe (OSCE)
- Organization of American States
- Peace Corps
- Pentagon
- RAND Corporation
- Secret Service
- Selective Service
- Signal Corps
- Southeast Asia Treaty Organization (SEATO)
- Strategic Air Command
- Strategic Command, U.S.
- Supreme Court, Role of U.S.
- Think Tanks
- Transportation Security Administration
- U.S. Agency for International Development (USAID)
- U.S. Air Force Academy
- U.S. Central Command (USCENTCOM)
- U.S. Military Academy (West Point)
- U.S. Naval Academy (Annapolis)
- U.S. Northern Command (USNORTHCOM)
- U.S. Pacific Command (USPACOM)
- U.S. Southern Command (USSOUTHCOM)
- UN Security Council
- United Nations
- United Nations Monitoring, Verification, and Inspection Commission (UNMOVIC)
- United Nations Special Commission (UNSCOM)
- UNOSOM
- Veterans Administration
- Voice of America
- War Colleges
- World Bank
- World Customs Organization (WCO)
- World Trade Organization (WTO)
- Places
- Bay of Pigs
- Berlin Airlift
- Berlin Wall
- Bikini Atoll
- China and U.S. Policy
- Commonwealth of Independent States (CIS)
- Cuban Missile Crisis
- Democratic People's Republic of Korea (North Korea)
- Dien Bien Phu
- Early Warning
- Federally Funded Research and Development Centers (FFRDCs)
- Guam
- Guantánamo
- Hiroshima
- Korea, North and South
- Latin America and U.S. Policy
- Los Alamos
- Middle East and U.S. Policy
- Nagasaki
- Okinawa
- Oklahoma City Bombing
- Pearl Harbor
- Pentagon
- Pusan Perimeter
- Republic of China on Taiwan
- Reykjavik
- Rogue State
- Ruby Ridge
- Somalia Intervention (1992)
- Soviet Union, Former (Russia), and U.S. Policy
- U.S. Air Force Academy
- U.S. Military Academy (West Point)
- U.S. Naval Academy (Annapolis)
- Union of Soviet Socialist Republics (USSR)
- Politics and Policy
- Ex Parte Quirin
- In re Territo (1946)
- Johnson v. Eisentrager (1950)
- Affirmative Action
- Agreed Framework
- Amnesty
- Antiballistic Missile (ABM) Treaty (1972)
- Arms Control
- Arms Procurement
- Assassination, U.S. Executive Order Against
- Atlantic Charter (1941)
- Axis of Evil
- Base Closure
- Biological Weapons Convention
- Border and Transportation Security
- Border Policy
- Bretton Woods Conference
- Burdensharing
- Bush Doctrine
- Bush, George H. W., and National Policy
- Bush, George W., and National Policy
- Carter Doctrine
- Carter, Jimmy, and National Policy
- China and U.S. Policy
- Clinton, Bill (William Jefferson), and National Policy
- Coalition Building
- Coercive Diplomacy
- Collective Security
- Communism and National Security
- Computer Security
- Congressional-Executive Agreement
- Constitution of the United States
- Containment
- Containment and the Truman Doctrine
- Cooperative Security
- Cooperative Threat Reduction
- Counter-Terrorism
- Cyberlaw
- Détente
- Declarations of War
- Defense Reorganization Act
- Democracy, Promotion of, and Terrorism
- Democratization
- Development, Third-World
- Disarmament
- Don't Ask, Don't Tell
- Eastern Bloc
- Eisenhower Doctrine
- Eisenhower, Dwight D., and National Policy
- Energy Policy and National Security
- Environment and National Security
- Ethnic Cleansing
- Executive Orders
- Federal Racketeering Statute (RICO)
- First Amendment
- Ford, Gerald R., and National Policy
- Foreign Aid
- Free Trade
- Freedom of Information Act (1967)
- Gas Protocol of 1925
- General Agreement on Tariffs and Trade (GATT)
- Geneva Conventions
- Glasnost
- Globalization and National Security
- Goldwater-Nichols Act
- Good Neighbor Policy
- Gulf of Tonkin Resolution
- Hart-Rudman Commission
- Homeland Security Act (2002)
- Homeland Security Advisory System (Color-Coded Alerts)
- Humanitarian Aid
- Humanitarian Intervention
- Immigration and National Security
- Immigration Policy
- INF Treaty
- Iran-Contra Affair
- Iranian Hostage Crisis
- Iraqgate
- Japanese Internment
- Kellogg-Briand Pact
- Kennedy, John F., and National Policy
- Latin America and U.S. Policy
- Lend-Lease
- London Naval Conferences (1909, 1930)
- Marshall Plan
- Middle East and U.S. Policy
- Monroe Doctrine
- Multilateralism
- Nation Building
- National Defense Education Act (NDEA)
- National Security Act (1947)
- National Security Decision Directive (NSDD)
- National Security Education Act of 1991
- Nixon Doctrine (1969)
- North American Free Trade Agreement (NAFTA)
- NSC-68 (National Security Report)
- Nuclear Test-Ban Treaty
- Nuclear Waste Disposal
- Oil and National Security
- Open Door Policy
- Open Skies Treaty
- Ottawa Landmine Treaty
- Presidential Decision Directives (PDDs)
- Privacy Act
- Prohibition on Weaponizing Space
- Propaganda
- Public Diplomacy
- Public Health, National Security and
- Radio Free Europe
- Reagan Doctrine
- Reagan, Ronald, and National Policy
- Rio Pact
- Roosevelt Corollary
- Roosevelt, Franklin D., and National Policy
- Soviet Union, Former (Russia), and U.S. Policy
- Strategic Arms Limitation Talks (SALT)
- Strategic Arms Reduction Talks (START)
- Strategic Defense Initiative (SDI)
- Strategic Offensive Reduction Treaty (SORT)
- Summit Conferences
- Taiwan Relations Act
- Terrorism, U.S. (Domestic)
- Tonkin Gulf Resolution
- Trade and Foreign Aid
- Trade Liberalization
- Treaties
- Truman Doctrine
- Truman, Harry S., and National Policy
- War Powers Act (1973)
- Washington Naval Treaty (1922)
- Special Populations
- Interpol
- Irish Republican Army (IRA)
- Islamic Fundamentalism
- Johnson, Lyndon B., and National Policy
- Kamikaze
- Militia
- National Guard
- Peace Corps
- PLO
- Portland Six
- Prisoner of War (POW)
- Rapid Deployment Force (RDF)
- Reserve Officers' Training Corps
- Secret Service
- Signal Corps
- Special Forces
- Taliban
- Terrorists, Islamic
- Weathermen, The
- Technology
- AEGIS Weapon System
- Agent Orange
- Airborne Warning and Control System (AWACS)
- Aircraft Carrier
- Ballistic Missiles
- Biological Weapons and Warfare
- Biotechnology
- Bioterrorism
- Chemical Weapons
- Computer Security
- Computer Viruses
- Cruise Missile
- Decoys
- Defense Advanced Research Projects Agency (DARPA)
- Dirty Bomb
- Distant Early Warning (DEW) Line
- Doomsday Machine
- Electronic Warfare
- F-117A Stealth Fighters
- Fighter Aircraft
- Future Combat System
- Global Positioning System (GPS)
- HARM Missile
- Helicopters
- Information Warfare
- Intercontinental Ballistic Missiles (ICBMs)
- Joint Strike Fighter
- Land Mines
- Missiles
- Mortar
- Multiple Independently Targetable Reentry Vehicles (MIRVs)
- Nanotechnology
- Neutron Bomb
- NORAD
- Patriot Missile
- Penetrating Munitions
- Radar
- Radiological Dispersion Device (RDD) or Dirty Bomb
- Science, Technology, and Security
- Sea-Launched Ballistic Missiles (SLBMs)
- Smart Bomb
- Space-Based Weapons
- Sputnik
- Spy Satellites
- Stealth Technologies
- Stinger Missiles
- Submarines
- Surface to Air Missile (SAM)
- Tactical Nuclear Weapons
- Tanks
- Tomahawk Cruise Missiles
- Unmanned Aerial Vehicles (UAVs)
- V-22A Osprey
- Wars and Warfare
- Afghan Wars
- Afghanistan, War in
- Air Warfare
- Air-Land Battles
- Amphibious Warfare
- Antisubmarine Warfare
- Arab-Israeli Conflict
- Arms Race
- Asymmetric Warfare
- Bulge, Battle of the
- Carpet Bombing
- Cold War
- D-Day
- Dresden, Bombing of
- Fulda Gap
- Grenada Intervention
- Guadalcanal, Battle of (1943)
- Guerrilla Warfare
- Gulf War
- Inadvertent War
- Inchon Landing
- Information Warfare
- Iraq War of 2003
- Kamikaze
- Korean War
- Kosovo Intervention (1999)
- Leyte Gulf, Battle of (1944)
- Middle East Conflicts (1956, 1967, 1973)
- Midway, Battle of (1942)
- Narcotics, War on
- Normandy Invasion
- Operation Desert Storm (1991)
- Preventive War
- Psychological Warfare (PSYOPS)
- Spanish-American War (1898)
- Submarine Warfare
- Suez Canal Crisis (1956)
- Terrorism, War on International
- Tet Offensive
- Trade Wars
- Two-Theater War
- Vietnam War
- World War I (1914–1918)
- World War II (1939–1945)
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