This title was first published in 2002. This book contains the U-boats situations and trends written by the staff of the Admiralty’s Operational Intelligence

"This title was first published in 2002. This book contains the U-boats situations and trends written by the staff of the Admiralty's Operational Intelligence C

Focusing on the collection, analysis, and employment of signals intelligence materials by the Royal and United States navies during the Second World War, this v

These documents relate on a weekly, and in some cases a daily, basis exactly what the Allies knew concerning the activities of the U-boats during the Battle of