Dimensions
110 x 178 x 10mm
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. It was the crucial
factor in defeating ......
