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NSA

National Security Agency · est. 1952
Official site: nsa.gov ↗

Established by a classified 1952 presidential directive and headquartered at Fort Meade, it is widely described as the largest employer of mathematicians in the country. Its twin missions are breaking foreign codes and protecting American ones.

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Key facts

FY2025 budget
Classified
Share of federal spending
Staff (approx.)
Led by
Director, NSA — a senior military officer dual-hatted as Commander, U.S. Cyber Command

The law behind it

Created byclassified presidential (Truman) memorandum of Oct 24, 1952, reorganizing the Armed Forces Security Agency into NSA; statutory charter via the National Security Agency Act of 1959 (P.L. 86-36)

Head appointed50 U.S.C. § 3602 (as amended by P.L. 113-126 § 401, 2014): Director appointed by the President, by and with the advice and consent of the Senate, on the Secretary of Defense's recommendation with DNI concurrence (10 U.S.C. § 201); by practice a senior military officer dual-hatted as Commander, U.S. Cyber Command; no fixed term (PAS)

Removal standardno statutory protection — at will

Funded underclassified annex to the Department of Defense Appropriations Act (National Intelligence Program and Military Intelligence Program); specific authorization required, 50 U.S.C. § 3094

Congressional oversightHouse Permanent Select Committee on Intelligence (jurisdiction shared with House Armed Services for the MIP) · Senate Select Committee on Intelligence (jurisdiction shared with Senate Armed Services)

Inspector generalown PAS IG under the IG Act since P.L. 113-126 § 402 (2014); previously a designated-federal-entity IG under IG Act § 8G per P.L. 111-259 § 431 (2010); DOD OIG and IC IG have overlapping jurisdiction

Judicial reviewsurveillance approved and reviewed by the FISC and FISA Court of Review, 50 U.S.C. § 1803; civil challenges face standing limits (Clapper v. Amnesty Int'l USA, 568 U.S. 398 (2013)); NSA Act § 6, 50 U.S.C. § 3605, shields organization, functions, activities, and personnel from any disclosure law (FOIA Exemption 3)

How your vote reaches it

Vote for President and members of Congress; the surveillance authorities NSA relies on, such as Section 702 of FISA, expire on a schedule and require congressional reauthorization; request records under FOIA.

Major units

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DOD · DARPA · ODNI · CIA · DIA · NGA · NRO · full org map

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