Russian army has lost up to half of key battle tanks, analysts estimate, Russia

Experts say Moscow has large number of cold-war era models in storage so can continue war in Ukraine for some time

Exhaust them': Why Ukraine has fought Russia for every inch of Bakhmut, despite high cost

A People Problem: Learning from Russia's Failing Efforts to Reconstitute its Depleted Units in Ukraine - Modern War Institute

Russia has lost half its combat capability in Ukraine, says UK

Scale of Russian deaths in Ukraine signals trouble for Putin

How Putin blundered into Ukraine — then doubled down

Russia Has Lost 50,000 Soldiers In Ukraine, U.K. Military Chief Says

A new report says the world faces a 'dangerous decade' as instability and military spending rise

Russia's Ill-Fated Invasion of Ukraine: Lessons in Modern Warfare

Ukraine war live updates: Latest news on Russia and the war in Ukraine

Mauled Russian units, shrinking Ukrainian stocks: Leaks suggest both sides hold mixed hands for next phase of war