NSI (SO17 or PaDP): Ministry for Justice under the PM coordinate & dictate to SO groups including police chiefs. These are waiting to order nuclear war.
SO14 Royal Protection: Stage photographs & issue statements for Jesus who was Prince Philip & is now in another Royal. "Jesus" has already said get on with it according to SO14 & pressure is on one man.
SO15 (MI5) Haphazard Psychic protection. Who is near, who heard, who's been interested. Holding nuclear devices, Semtex & guns for booked terror handled in house.
SO16 (MI6) Serious hard cases, very dangerous, especially on familiar ground like the UK, Coups are always bought from intelligence agencies like this.
SO17 above
SO18 Post nuclear rescue service.