The T-90 is a Russian third-generation main battle tank and represents a moderate evolution of the T-72B, incorporating many features of the T-80U (it was originally called the T-72BU, later renamed to T-90). It is currently the most advanced tank in service with the Russian Ground Forces and Naval Infantry. Although derived from the T-72, the T-90 uses a 125 mm 2A46 smoothbore main gun, the 1A45T fire-control system, an uprated engine, and thermal sights. Standard protective measures include a blend of steel, composite armour, smoke dischargers, Kontakt-5 explosive-reactive armour, laser warning receivers, Nakidka camouflage and the Shtora infrared ATGM jamming system. The EMT-7 electromagnetic pulse (EMP) creator has been used in testing but not fitted to T-90s in active service.
It was designed and built by Uralvagonzavod, in Nizhny Tagil, Russia. Since 2011, the Russian armed forces have ceased any further orders for the T-90, and are instead anticipating the development of the T-14 Armata that is expected to enter service in 2016.The T-90 has its origins in a Soviet-era program aimed at developing a singular replacement for the T-64, T-72 and T-80 series of main battle tanks. The T-72 platform was selected as the basis for the new generation of tank owing to its cost-effectiveness, simplicity and automotive qualities. The Kartsev-Venediktov Design Bureau from Nizhny Tagil was responsible for the design work and prepared two parallel proposals – the Object 188, which was a relatively simple upgrade of the existing T-72B tank (Object 184), and the far more advanced Object 187 – only vaguely related to the T-72 series and incorporating major improvements to the hull and turret design, armor, powerplant and armament. Development work was approved in 1986 and the first prototypes were completed by 1988. The vehicles resulting from the Object 187 program have not been declassified to this date, but it was the lower risk Object 188 upgrade that would be approved for series production as the T-72BU.
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