ISW
Russian Offensive Campaign Assessment, March 22, 2023
Russian forces deploying T-54/55 tanks from long-term storage to Ukraine.
Dutch open-source group Oryx assessed as of March 22 that Russian forces have lost at least 57 T-90, 448 T-80, 1,025 T-72, 53 T-64, and 73 T-62 tanks in highly attritional fighting in Ukraine. Russian armored vehicle losses are currently constraining the Russian military’s ability to conduct effective mechanized maneuver warfare
https://www.understandingwar.org/backgrounder/russian-offensive-campaign-assessment-march-22-2023
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