During this recent Atlantic Council event, the FT’s Demetri Sevastopulo recounted this anecdote concerning authority to launch British nuclear weapons:
a former British defence secretary asked me during the Trump administration,would it be possible for President Trump to launch a nuclear weapon without anyone stopping him, and how did theprocess work. And I said, there are lots of theories; I don’t know the exact answer. How did it work in the U.K? He said, I don’t know. They never briefed me on what I would have to do.