In 1941 aged six David Gunn was subjected to Hitler's Blitz of Plymouth. Unlike some 1,200 who were killed, he and his mother escaped to live on a farm in the peaceful Cotswold hills where he learned to milk cows and ride horses. David joined the Royal Navy, the fourth generation of his family to do so, at the age of 13.
At the Royal Naval College, Dartmouth there was a cold bath on waking up and compulsory boxing - then to an even more disciplined...