Under the sea, in charge of a multi-million pound boat, and the safety of your crew, there is a lot that can go very wrong.

Ryan Ramsay has lived it all, then trained his successors both in how to avoid those disasters, and to cope if they do strike.

In his new book ‘A View From Below’ he shares the inside story how submarine captains are trained, the impossible scenarios they’re faced with in a real sub, and stories of simulated emergency suddenly becoming the real thing.

He tells Kate Gerbeau why he turned those experiences into life-lessons that we can all use, what he learned from his most perilous moment in command of HMS Turbulent, and whether any of it helps him on the football pitch while refereeing.