"Russia has two allies - the army and the navy." A well-known phrase, but not entirely true, outdated. After all, the Great Patriotic War showed that there are more allies. The main allies of our country in the Greatest War in its entire history were its branches of the military. This book is about the “cavalry” of the Second World War - the tank forces of the Soviet Union. Technical characteristics, role in battles, tactics and strategy of tank formations during the Great War. The famous military historian, employee of the Institute of Military History, Vladimir Daines, will talk about this.