1st Guards Tank Army (Russia) 1st Guards Tank Army (Russia) The 1st Guards Tank Army is a tank army of the Russian Ground Forces. The army traces its heritage back to the 1st Tank Army, formed twice in July 1942 and in January 1943 and converted into the 1st Guards Tank Army in January 1944. The army fought as part of the Red Army on the Eastern Front during World War II. The army was commanded throughout most of the war by Mikhail Katukov. It fought in the early defense during the Battle of Stalingrad, and Operation Uranus, also participating at the Battle of Kursk.
German code breaking in World War II 1941. While the Germans appreciated the gift from their ally, they did not explain that they were already able to read "Black" code messages. In general, however, German performance in code breaking was weak due to the fragmentation of responsibility and specialized personnel. The Navy's "B-Dienst" was an exception to the rule, although its successes largely ended when the Allies began using more sophisticated encryption methods by 1943. German code breaking in World War II German code breaking in World War II achieved some notable successes cracking British Naval ciphers until well into the fourth year of the war, but