U.S. Intelligence Community

The U.S. Intelligence Community (IC) is a federation of 18 government agencies established to advance U.S. national security through coordinated intelligence operations. Founded formally in 1947 with the creation of the Central Intelligence Agency, the IC evolved from post-World War II reforms that consolidated intelligence functions previously scattered across the OSS and military departments. Key components include the CIA (human intelligence and covert operations), NSA (signals intelligence, established 1952), Defense Intelligence Agency (military intelligence), and the State Department's Bureau of Intelligence and Research (diplomatic intelligence, established 1945). The IC is overseen by the Office of the Director of National Intelligence (ODNI), established in 2002 to integrate intelligence efforts across all member agencies and prevent critical intelligence gaps.