Sleek, secret, sinister. Submarines are the most formidible ships of the Royal Navy. Traditionally, the world of submarines and submariners has been firmly closed to outsiders, partly because of the secret nature of submarine operations, but partly because such inscrutability serves to heighten the Submarine Service's elite reputation. This book accompanies the BBC TV series of the same name. For his research Crane obtained unprecedented access to this unknown world, along with a small film crew...