U.S. Department of State

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Under Secretary for Arms Control and International Security > Bureau of Political-Military Affairs > Office of Regional Security and Arms Transfers

Office of Regional Security and Arms Transfers

Who We Are

U.S. Department of State, Harry S Truman building, C Street Entrance

RSAT Acting Office Director Hank Tucker provides policy guidance on regional security issues across the globe and manages the provision of U.S. defense articles to foreign governments worldwide through Acting Deputy Director Aaron Jost (Africa, Middle East, Europe, and Arms Transfers) and Acting Deputy Director Timothy Liston (Asia and WHA).

Acting Director
Hank Tucker, 202-647-9750

Acting Deputy Director, Division Chief for Arms Transfers and Regional Security
Aaron Jost, 202-647-9750

Acting Deputy Director, Division Chief for Regional Security
Timothy Liston, 202-647-9750

Main Address:

Department of State
Bureau of Political-Military Affairs
Office of Regional Security and Arms Transfers
2201 C Street, Northwest
Room #3811 & 3331
Washington, DC 20520

Main Switchboard:

(202) 647-4000

PM/RSAT FAX:

(202) 647-9779 (arms transfers)

(202) 647-4596 (regional security)

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