Leon E. Panetta
Secretary

Agency Mission

The mission of the Department of Defense (DOD) is to provide the military forces needed to deter war and to protect the security of the United States. Since the creation of America’s first army in 1775, the Department and its predecessor organizations have evolved into a global presence of three million individuals, stationed in more than 140 countries and dedicated to defending the United States by deterring and defeating aggression and coercion in critical regions. The Department embraces the core values of leadership, professionalism, and technical knowledge. Its employees are…

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