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The Royal United Services Institute (RUSI) is an independent think tank engaged in cutting edge defence and security research. A unique institution, founded in 1831 by the Duke of Wellington, RUSI embodies nearly two centuries of forward thinking, free discussion and careful reflection on defence and security matters.

As a members' based institute, our corporate and individual membership packages offer exclusive access to the UK's premier forum on defence and security. Through our publications and events RUSI members benefit from authoritative analysis, insight and networks.

RUSI is a British institution, but operates with an international perspective. Satellite offices in Doha and Washington DC reinforce our global reach. We have amassed over the years an outstanding reputation for quality and objectivity. Our heritage, location at the heart of Whitehall, together with our range of contacts both inside and outside government, but always strictly independent of it, give RUSI a unique insight and authority.