Once buttoned up, NORAD's operation center can survive for more than 30 days without aid from the outside world.

He [King Charles] is a committed environmentalist at a point when the government is full of climate change deniers.

This was the era of Star Wars, the reinvention of science fiction with the homely Luke Skywalker. But even Luke had the Force and a tie-fighter. The Doctor was a humanist, and his spacecraft was an obsolete phone box redolent of bobbies with whistles. He would never resort to lightsabre against villains, preferring to confront them with jelly babies.

There is a squat and fuss-free simplicity about its profile, which belies the amount of 'whoop-ass' that can be delivered with a prod of the accelerator pedal.