War in Ukraine, and the arrival of Donald Trump in the White House, is forcing Europeans to prioritise defence. Keir Starmer has slashed Britain’s aid budget to pay for an increase in defence spending to 2.5 per cent of national income by 2027. But how should the UK use that uplift in order to keep itself safe?

The challenge posed by the Northern Fleet is – alongside Norway – essentially the UK’s problem to deal with

Many of the core assumptions which have underpinned British strategy for decades are being called into question.