Key Points – The Soviet-era T-72 main battle tank sees extensive use by both Russia and Ukraine, but with differing modernization approaches significantly impacting battlefield performance.

The T-72 is operated by multiple countries, making it a highly valuable commodity for the Russians. One such upgrade began in 2014. ... Further modifications are made to the tank’s track.

The Soviet T-72 tanks were launched in 1973 and are still used by the Russian Army today. Here's everything you need to know about these battle tanks.

T-80 specs continue to be iterated on, too: 2017's T-80BVM includes a PNM Sosna-U sight. Like the T-72, it's a formidable weapon that has appeared in many guises. Not so different after all?