> The other thing about the 'British' nuclear deterrent is that the U.S. holds the keys to the launch buttons... This is in contradiction to the the other famo

> The other thing about the 'British' nuclear deterrent is that the U.S. holds the keys to the launch buttons... This is in contradiction to the the other famous, possibly apocryphal, letter of last resort meme, wherein putting themselves under American control is only one of the possible options should the nightmare scenario of failing to tune in to Radio 4's Today programme three days running occur.