Hasty or premature assessments aside, it is too soon to read Iran’s conduct in this war as definitive evidence of regime survival. The Islamic Republic has not collapsed in the way US President Donald ...

Neutrality between China and the US, sidestepping two competing chauvinisms for fear of being crushed in between them, plays into Beijing’s hands. A recurring tragedy of statecraft is our habit of ...

Vignettes of Article 5 responses reveal wide, plausible consequences of NATO shortcomings in pursuit of the Women, Peace and Security agenda. This International Women’s Day falls during a moment of ...

Its ammunition spent on Ukraine, Russia can no longer act on the world stage. The Moscow-Tehran axis is collapsing in real time. As US and Israeli strikes continue across the country, Tehran is ...

Conventional prompt strike (CPS) capabilities – such as medium-range ballistic missiles and hypersonic glide vehicles (HGVs) – play a critical role in enhancing European military power. Drawing on ...

Keith Dear and Magdalena Pacholska argue that humans are responsible and accountable when delegating the use of lethal force to machines and these actions are regulated by existing international ...

Baroness Theresa May was joined by Tom Keatinge, director of RUSI’s Centre for Finance and Security, for her keynote speech and a discussion reflecting on the intersection of security and finance.

Despite rising military spending, the European Union’s defence capabilities remain constrained by fragmented procurement, uneven national budgets and weak coordination. Bolstering resilience and ...

Within 12 months, the US President’s second term in office has had an impact on international relations unlike any in recent memory. Unpredictable. Unorthodox. Unprincipled. Foreign leaders, military ...

The US operation to remove Maduro succeeded despite fundamental ambiguity about what cyber delivered but that opacity has strategic consequences. On 3 January 2026, US forces conducted Operation ...

In 2020, RUSI published papers on the potential threats posed to Western forces by Russian and Chinese combat air capabilities and ground-based air defence (GBAD) systems. Since these studies were ...

Our experts comment on the US attacks on Venezuela and arrest of President Nicolás Maduro. Any consequent instability in Venezuela could have a spill-over effect in the region that would affect ...