BATTLE OF THE SEAS: Tiddlers v. Tlrpitz

In the late autumn of 1941 a select group of British naval men, volunteers for a mission of danger and hardship, proceeded to a lonely country house and began a strange program of training.

Their quarters were purposely kept dank and moist. They ate miserable special diets of concentrated food. For weeks on end they disciplined themselves to work and live and spend drab hours in closetlike confinement.

Eventually they were introduced to the vehicles they were going to operate. They were British four-man midget submarines, designated as X-class boats. The men knew that once started on an assignment it would be...