Tank ISU-152 – (Object 241) is a Soviet heavy self-propelled artillery installation (ACS) during the Great Patriotic War. In the name of the vehicle, the letter” I “, in addition to the standard Soviet designation” SU “- self-propelled installation, means” based on the IS tank A self-propelled gun of the same caliber, called the SU-152, was produced on a different tank base, with the index 152 indicating the caliber of the vehicle’s main armament. Developed by the design bureau of experimental plant No. 100 in June – October 1943 and adopted by the Workers ‘and Peasants’ Red Army (RKKA) on November 6 of the same year. At the same time, its serial production began at the Chelyabinsk Kirov Plant (ChKZ), which lasted until 1946.