Title: Ultra in the West
Subjects: Cryptography, Campaigns, Secret service, World War, 1939-1945, History, Secret Service, World war, 1939-1945, campaigns, france, normandy, World war, 1939-1945, cryptography, World war, 1939-1945, secret service, great britain, Normandy (france), history
Places: France, Great Britain, Normandy, Normandy (France)