Our Purpose

The Royal United Services Institute (RUSI) is an independent think tank engaged in cutting-edge research on defence, security and international affairs.


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 international affairs and defence and security matters.

RUSI is a British institution but operates with an international perspective. Offices in Nairobi and Brussels reinforce our global reach. Over the years, we have amassed an outstanding reputation for quality and objectivity. Our heritage, location at the heart of Whitehall, and extensive networks inside and outside government, give RUSI a unique insight and authority.


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