RUSI is an independent think tank that operates with no political affiliation. RUSI's mission is to inform, influence and improve public debate about defence and security matters. RUSI does not receive any statutory government funding and is not a government organisation, although some government departments are corporate members of RUSI and may fund specific projects.

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