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Missile Defense Agency

5700 Eighteenth Street, Bldg 245, Fort Belvoir, VA 22060-5573


DIRECTOR Lt. Gen. Samuel A. Greaves, USAF
Deputy Director Rear Adm. Jon A. Hill , USN

The Missile Defense Agency's (MDA) mission is to establish and deploy a layered ballistic missile defense system to intercept missiles in all phases of their flight and against all ranges of threats. This capability will provide a defense of the United States, deployed forces, and allies. MDA is under the authority, direction, and control of the Under Secretary of Defense for Acquisition, Technology, and Logistics. MDA manages and directs DOD's ballistic missile defense acquisition programs and enables the Services to field elements of the overall system as soon as practicable. MDA develops and tests technologies and, if necessary, uses prototype and test assets to provide early capability. Additionally, MDA improves the effectiveness of deployed capabilities by implementing new technologies as they become available or when the threat warrants an accelerated capability. | Email:

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