Title 50 United States Code § 401a(4)
The term “intelligence community” includes the following:
(G) Other offices within the Department of Defense for the collection of specialized national intelligence through reconnaissance programs.
(H) The intelligence elements of the Army, the Navy, the Air Force, the Marine Corps, the Federal Bureau of Investigation, and the Department of Energy.
(K) The elements of the Department of Homeland Security concerned with the analysis of intelligence information, including the Office of Intelligence of the Coast Guard.
(L) Such other elements of any other department or agency as may be designated by the President, or designated jointly by the Director of National Intelligence and the head of the department or agency concerned, as an element of the intelligence community.
Legal Authorities of the Central Intelligence Agency
Department of the Treasury
- Office of Intelligence and Analysis: Brochure
- OIA was created by the Intelligence Authorization Act of Fiscal Year 2004
Department of Defense Agencies
National Security Agency
- Dod Directive 5100.20 (2010)
- Memorandum from President Truman to the Secretary of State (October 24, 1952)
- National Security Council Intelligence Directive No. 9: Communications Intelligence(December 29, 1952)
Defense Intelligence Agency (DIA)
- DoD Directive 5105.21 (2008)
- Defense Intelligence Agency. At the Creation: 1961-1965 (includes the facsimiles of the original documents creating the DIA)
- Defense Intelligence Agency: A Brief History
National Reconnaissance Office
- DoD Directive 5105.23 (2011)
- Memorandum of Understanding creating the NRO (1961)
- NRO: A Brief History
National Geospatial-Intelligence Agency
- DoD Directive 5105.60 (2009)
- DoD Instruction 3115.15 (Geospatial Intelligence)
- NGA:The Advent of the National Geospatial-Intelligence Agency
