If you're not yet familiar, the ISU-152 was a multi-purpose assault gun that served effectively as both a heavy self-propelled artillery and an effective tank destroyer. Built on the chassis of the IS heavy tank with production commencing in the winter of 1943, this hulking machine is similarly versatile in game. Interested to learn more about the ISU? Take an in-depth look with the Chieftain as he provides insight into what made the ISU-152 such an efficient vehicle that saw service for decades after World War II. Check out the video above!