1 March 2010 Appendices to the NSA "Battle of the Atlantic" (U[SIZE=-1]LTRA[/SIZE]) series: Graphic Representation of U-boat Activity Master List of U-boats Captured Documents North Atlantic Convoys and U-boat groups U-boat Group Operations Against U.S. and British Convoys Bound For or From North Africa Miscellaneous Operations U-boat Operations Summary England-Gibraltar Convoys and U-boat Groups U-boat Deployment Summary: January 1943 - May 1944 Blocked Running Ships Between Europe and the Far East Blockade Running U-boat Operations Confirmed Cases of Allied Cipher Compromise in 1942 Cases of Presumed and Confirmed Compromise 1943-1945 Accuracy Studies of High Frequency Direction Finder Fixes German Weather Reporting Activities U-boats Sunk by U.S. Forces with Aid of Radio Intelligence Vichy French Navy 229 The J[SIZE=-1]OLLIE[/SIZE] Operation
