NSA provides foreign signals intelligence (SIGINT) to our nation's policymakers and military forces. SIGINT plays a vital role in our national security by providing America's leaders with critical information they need to defend our country, save lives, and advance U.S. goals and alliances globally.

HEADQUARTERS Located at Fort Meade, Maryland, NSA Washington is the most well-known location. It has served as home for operations since the late 1950s following the establishment of the agency in 1952.

The National Security Council (NSC) (IAST: Rāṣṭrīya Surakṣā Pariṣad) of India is an executive government agency tasked with advising the Prime Minister's Office on matters of national security and strategic interest.

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).