Doesn't the Land of the Rising Sun have a missile defence system?

[Sir C]

Those sons and daughters of Nippon are supposed to be technical whizzes, aren't they? You'd think they'd be pretty twitchy about getting nuked.

[Burney]

Those sons and daughters of Nippon are supposed to be technical whizzes, aren't they? You'd think they'd be pretty twitchy about getting nuked.

They do have a missile defence system. It's called 'The United States'

I'm a bit concerned that this has happened and North Korea hasn't been nuked flat. The Donald is going soft :-(