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International Relations @ Webster University Library

As part of the History, Politics, and International Relations Department

Additional Online Sources of Information about National Security

Other Helpful Websites

Advisory Panel to Assess Domestic Response Capabilities for Terrorism Involving Weapons of Mass Destruction

Constitutional Security Law

Both the powers of the President and the powers of Congress to declare war, direct the military, repel invasions, suppress insurrections, and govern the land are laid out within the United States Code.   Examples of legislation include: Foreign Intelligence Surveillance Act of 1978; Homeland Security Act of 2002; Intelligence Reform and Terrorism Prevention Act of 2004; National Emergencies Act; USA PATRIOT Act of 2001; War Powers Resolution.  You can also find administrative security law in the Code of Federal Regulations and in the Federal Register.


1.  Espionage provisions of the United States criminal code, 18 U.S.C. §§ 792-799.  Describes criminal penalties.

2.  Foreign Intelligence Surveillance Act of 1978, P.L. 95-511, 92 Stat. 1783, codified as amended at 50 U.S.C. § 1801 et seq.  Regulates collecting of counter-intelligence operations.

3.  Homeland Security Act of 2002, P.L. 107-296, 116 Stat. 2135 (2002).  2002 Act moved various government agencies under Department of Homeland Security.

4.  Intelligence Reform and Terrorism Prevention Act of 2004, P.L. 108-458, 118 Stat. 3638 (2004).  Created Office of Diector of National Security; and it authorized various agencies to regulate minimal security standards.

5.  National Emergencies Act, Pub. L. 94-412, 90 Stat. 1255, codified as amended at 50 U.S.C. § 1601 et seq.  Provides for presidential declaration of national emergencies.

6.  National Security Act of 1947, July 26, 1947, ch. 343, 61 Stat. 495, codified as amended at 50 U.S.C. 401 et seq.  1947 Act established the Department of Defense and civilian oversight of armed forces.

7.  Posse Comitatus Act, June 18, 1878, ch. 263, §15, 20 Stat. 152, codified as amended at 18 U.S.C. § 1385.  Limits military use in domestic matters.

8.  Uniform Code of Military Justice, May 5, 1950, ch. 169, 64 Stat. 108, codified as amended at 10 U.S.C. 801 et seq.  Defines military criminal conduct and establishes types of courts martial.

9.  USA PATRIOT Act of 2001, P.L. 107-56, 115 Stat. 272.  Defines terrorism-related crimes; establishes new border security; expands surveilance powers.

10.  War Powers Resolution, 50 U.S.C. §§ 1541-1548.  Limits military engagement unless authorized by Congress.

Data and Statistics Sources

United Nations Register of Conventional Arms

Terrorist Groups

Foreign Terrorist Organizations

Homeland Security

Primary Resources 

Accessions and Openings of Records