Central Intelligence Agency, CIA - an independent agency of the United States government responsible for collecting and coordinating intelligence and counterintelligence activities abroad in the national interest; headed by the Director of Central Intelligence under the supervision of the President and National Security Council

Department of Energy Intelligence, DOEI - an agency that collects political and economic and technical information about energy matters and makes the Department of Energy's technical and analytical expertise available to other members of the Intelligence Community

FBI, Federal Bureau of Investigation - a federal law enforcement agency that is the principal investigative arm of the Department of Justice

Bureau of Intelligence and Research, INR - an agency that is the primary source in the State Department for interpretive analyses of global developments and focal point for policy issues and activities of the Intelligence Community

Office of Intelligence Support, OIS - agency that oversees the intelligence relationships of the Treasury's offices and bureaus and provides a link between the Intelligence Community and officials responsible for international economic policy

Office of Naval Intelligence, ONI - the military intelligence agency that provides for the intelligence and counterintelligence and investigative and security requirements of the United States Navy

Marine Corps Intelligence Activity, MCIA - an agency of the United States Marine Corps that provides responsive and broad intelligence support for the worldwide Marine Corps organization

AFISR, Air Force Intelligence Surveillance and Reconnaissance, Air Force ISR - n agency focused on ensuring that the United States military attains information superiority; operates worldwide ground sites and an array of airborne reconnaissance and surveillance platforms

intelligence agency, intelligence service, intelligence - a unit responsible for gathering and interpreting information about an enemy

Advanced Research and Development Activity, ARDA - an agency of the Intelligence Community that conducts advanced research and development related to information technology

Defense Intelligence Agency, DIA - an intelligence agency of the United States in the Department of Defense; is responsible for providing intelligence in support of military planning and operations and weappons acquisition

National Reconnaissance Office, NRO - an intelligence agency in the United States Department of Defense that designs and builds and operates space reconnaissance systems to detect trouble spots worldwide and to monitor arms control agreements and environmental issues and to help plan military operations

National Security Agency, NSA - the United States cryptologic organization that coordinates and directs highly specialized activities to protect United States information systems and to produce foreign intelligence information

AI, Army Intelligence - an agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders

National Imagery and Mapping Agency, NIMA - a combat support agency that provides geospatial intelligence in support of national security

U.S.A., United States, United States of America, US, USA, America, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776

cardinal - being or denoting a numerical quantity but not order; "cardinal numbers"