Federal Agencies

Federal department charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces.

Federal department concerned with U.S. policies regarding energy and safety in handling nuclear material.

Independent agency of the U.S. federal government responsible for the civilian space program, aeronautics research, and space research.

Federal department responsible for public security, roughly comparable to the interior or home ministries of other countries.