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The United States Intelligence Community (IC) is a group of separate U.S. federal government intelligence agencies and subordinate organizations that work both separately and collectively to conduct intelligence activities which support the foreign policy and national security interests of the United States.
The National Security Agency (NSA) is an intelligence agency of the United States Department of Defense, under the authority of the Director of National Intelligence (DNI). The NSA is responsible for global monitoring, collection, and processing of information and data for foreign intelligence and counterintelligence purposes, specializing in a ...
Federal judiciary of the United States. The federal judiciary consists of courts established under Article Three of the United States Constitution. These are the. Supreme Court. Circuit Courts of Appeals. District Courts. Judicial Panel on Multidistrict Litigation. Court of International Trade.
The National Security Council was established by the National Security Act of 1947 (PL 235 – 61 Stat. 496; U.S.C. 402), amended by the National Security Act Amendments of 1949 (63 Stat. 579; 50 U.S.C. 401 et seq.). Later in 1949, as part of the Reorganization Plan, the Council was placed in the Executive Office of the President.
The phrase “national security” entered U.S. political discourse as early as the Constitutional Convention. The Federalists argued that civilian control of the military required a strong central government under a single constitution. Alexander Hamilton wrote: “If a well-regulated militia be the most natural defense of a free country, it ...
The United States Department of Homeland Security (DHS) is the U.S. federal executive department responsible for public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terrorism, border security, immigration and customs, cyber security, and disaster prevention and management.
National Security Advisor (United States) The assistant to the president for national security affairs (APNSA), commonly referred to as the national security advisor (NSA), [2][Note 1] is a senior aide in the Executive Office of the President, based at the West Wing of the White House. [3] The national security advisor serves as the principal ...
The Director of the National Security Agency (DIRNSA) is the highest-ranking official of the National Security Agency, which is a defense agency within the U.S. Department of Defense. The director of the NSA also concurrently serves as the chief of the Central Security Service (CHCSS) and as the commander of U.S. Cyber Command (USCYBERCOM). As ...