The 1st Guards 'Vienna' Order of Lenin Order of Kutuzov Mechanized Corps was a Red Army armoured formation that saw service during World War II on the Eastern Front. After the war it continued to serve with Soviet occupation forces in Central Europe. It was originally the 1st Guards Rifle Division. The unit had approximately the same size and combat power as an early-war Wehrmacht Panzer Division, or a British Armoured Division had during World War II. It was under the command of General Lieutenant Russiyanov, and gained the honorifics "Vienna, Voronezh".