Fifteen Diesel-electrics All in a Row (or eight)

In my soon-to-be-available submarine thriller, "Terror on the Alert", my main character notes a buildup of Royal Navy submarines in their home ports during the leadup to the Cuban Missile Crisis.

This photo was kindly provided by Ed Falstrem, who like me trained with the RN and served in A-boats. He says:

"Here is a photo of 15 RN submarines alongside the depot ship taken in Oct 1962, just as the Cuban crisis was developing."

Ed, who went on to command four Royal Canadian Navy boats, had this to say about "Terror on the Alert":

I have read the book and enjoyed it very much. I could argue with you over a couple of technical details but it sure took me back to my time on Acheron and Aeneas.