as Russia has stepped up its long-range surveillance and bomber patrols around Europe. Naturally, they have to move quickly if a threat arises.

This Sky News special takes us behind the scenes of the UK’s equivalent to NORAD, and shows exactly how the Royal Air Force goes about implementing its emergency Quick Reaction Alert orders, intercepting potentially dangerous threats at a moment’s notice.

This video shows what it looks like to intercept a Russian IL-20M electronic intelligence…