UPSC 2016 CDS II GK Paper

T-155 is not a battle tank. It is a self-propelled howitzer manufactured in Turkey. T-55 tanks are a series of Soviet main battle tanks introduced in the years following the Second World War. T-72 is a Soviet-designed main battle tank that entered production in 1971. It replaced the T-54/55 series as the workhorse of Soviet tank forces. The T-90 is a third-generation Russian battle tank that entered into service in 1993.