Welcome to RUSI
The Royal United Services Institute (RUSI) is the world's oldest independent think tank on international defence and security. Read more »
Membership
RUSI members have access to the very best defence and security analysis and are introduced to a network of peers, specialists and decision-makers.
Corporate
Grow your organisation and shape the conversation through RUSI’s unique knowledge, independent insight and exclusive networks.
Top Tier Partnership
This is the elite tier of RUSI membership. Members at this level receive full access to the Institute’s high-level networks and research teams.
Individual
Keeping you informed, engaged and connected - RUSI Individual membership places you at the heart of the global defence and security community.
Upcoming Events

Sea Power Virtual Conference 2021: Transforming Maritime Forces For an Age of Persistent Competition
It now verges on a truism to note that the future operating environment will be characterized by persistent competition. The... read more
The Budding Alliance Between Lockdown Critics and the Far-Right in Germany
FCAS: Is the Franco-German-Spanish Combat Air Programme Really in Trouble?
Getting the Partnership Right