C559 T90
The Russian T-90 main battle tank, modified from the T-72 tank, was a heavy tank with a relatively high cost-performance ratio, starting in 1994 to equip the Russian army in a small area, and starting in 1998 to equip a large area.
Even today, more than a thousand T-90 tanks were still serving the Russian army. And based on them, the Russian army had also developed a lot of improved tanks