Behind the political theatre $50bn worth of procurement plans were announced at the NATO summit, from artillery shells to airlift and space capabilities.

Sitrep explains who’s buying what and why with the help of the UK’s first Director of Joint Warfare, retired Air Marshal Greg Bagwell.

Professor Michael Clarke assesses whether this will improve Europe’s defences, or simply turn into a game of whack-a-mole filling gaps left by the US. 

And the alliance has rebranded its air-policing mission in the Baltics to “air-defence”.  What practical difference does that make, and will it require the RAF to contribute more?