An attack by a British destroyer on a German U-boat in the Eastern Mediterranean in October 1942 altered the course of the entire war.
The capture of secret coding material from U-559, at the cost of two of HMS Petard's crew, enabled Bletchley Park's codebreakers to successfully crack the U-boat cypher
- Format: Paperback
- Pages: 192 pages
- Publisher: The History Press Ltd
- Publication Date: 01/07/2002
- Category: British & Irish history
- ISBN: 9780750930505