What does is3 stand for? IS-3 (tank) The IS-3 (also known as Object 703) is a Soviet heavy tank developed in late 1944.Why choose i3 business solutions? With the help of i3 Business Solutions, it went as seamlessly as you could possibly hope for. i3 has been instrumental in the design and implementation of our IT infrastructure since the very beginning. From introducing us to corporate email to the realization of our state-of-the-art data center, ...Read MoreWhat kind of tank is the is3? IS-3 (tank) The IS-3 (also known as Object 703) is a Soviet heavy tank developed in late 1944. Its semi-hemispherical cast turret (resembling an upturned soup bowl), became the hallmark of post-war Soviet tanks. Its pike nose design would also mirrored by other tanks of the IS tank family such as the IS-7 and T-10.What happened to the is 3? One IS-3, previously displayed on a pedestal in the village of Aleksandro-Kalynove near Kostiantynivka as a World War II memorial, used in combat by the Novorossiyan Armed Forces in the 2014 pro-Russian unrest in Ukraine. Kostiantynivka was retaken by Ukrainian forces on 7 July 2014, along with the IS-3.