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

Combat Air Power 2021: Competing Visions for the Future
Each of the three efforts is aiming to eventually field a family of systems which will work together to deliver future air power... read more
Diversity in the UK's Intelligence Agencies
Financing Right-Wing Extremism and Terrorism
New UK Government Initiative to Support High-Risk, High-Reward Military Science Needs Refinement