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Office of Defense Cooperation


We are a joint service office assigned to facilitate U.S. government and industry national interests within the U.K. defense acquisition environment. We work to:

  • Support U.S. National Security Policy Objectives
  • Support Headquarters European Command Security Assistance Policy
  • Support U.S. and U.K Industry in Cooperative Defense Program Management
  • Support U.S. and U.K. Military Departments and Program Offices in Cooperative Program Management
  • Track and Manage Allied Military Sales
  • Support Operational Logistics within the U.K.
  • Assist with Research and Development activities aimed toward cooperative programs
  • Coordinate and Program Foreign Military Sales Training
  • Facilitate Contractor Clearance Requests



16 April 2014 F-35 Lightning II jet to make maiden British flight (via   The F-35 Lightning II will make its international debut in July at the Royal International Air Tattoo in Fairford and in the same month will also fly at the Farnborough International Air Show.  This will be the first time the combat aircraft has flown outside of the United States.

11 April 2014 USAF Fact Sheet: F-35A Lightning II Conventional Takeoff and Landing Variant (via

25 September 2013 Fact Sheet: The Arms Trade Treaty

13 April 2012 U.S. Defense Trade Cooperation Treaty with the United Kingdom Secretary Clinton says that she is pleased to announce the entry into force of the Defense Trade Cooperation Treaty between the United States and the United Kingdom.  This Treaty is a result of the close, longstanding relationship between the United States and the United Kingdom.
 • FAQs - Defense Trade Cooperation Treaties & Resources

29 November 2011  The U.S.-UK Defense Trade Cooperation Treaty The U.S. is currently working with Her Majesty’s Government to finalize the Management Plan for the Treaty and all other outstanding issues



Contact Details

Office of Defense Cooperation
U.S. Embassy
24 Grosvenor Square
London W1A 1AE

Phone:[44] (0) 20 7894-0737

Fax:   [44] (0) 20 7894-0730