Ultra at Sea
Subtitle: How Breaking the Nazi Code Affected Allied Naval Strategy During World War II
Publisher: Quill
Published: August 1990
Language: eng
Format: Paperback
ISBN-13: 9780688094225
Subjects: Secret service; Military - World War II; History: American; History - Military / War; World War, 1939-1945; Naval operations, British; Military - General; Military - Intelligence/Espionage; Cryptography; Great Britain