traffic log
Archive
The Eastern Front
Army and air force traffic from the largest and bloodiest theater of the war.
Battle of the Atlantic
U-boat and surface fleet traffic across the longest continuous campaign of the war.
The Sitzkrieg
The "Phoney War" months before the invasion of France — quiet traffic, old-procedure keys.
The Western Front, 1940
Army and air force traffic from the campaign in the West, after the message-key procedure changed on 1 May 1940 — monthly key sheets, the identifier group that says which day's key was used, and messages that cross midnight.