Is-3m (czolgi Swiata 35)
2013 / Polish / PDF
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There are two tanks known as IS-3. IS-3 (Objekt 244) was an IS-2 rearmed with the long-barrelled 85mm cannon (D-5T-85-BM). It was developed by LKZ (in Leningrad) and was not taken in service. IS-3 (Object 703) was developed in late 1944 by ChTZ (in Chelyabinsk) and left the factory shop in May 1945.[21] This tank had an improved armour layout, and a semi-hemispherical cast turret (resembling an overturned soup bowl) which became the hallmark of post-war Soviet tanks.
