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

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

Russia's Offensive In Ukraine Has Lost Momentum, Western Military Officials Say

Ukraine: What have been Russia's military mistakes?

Najvažnije u agresiji Ruske gamadi na Ukrajinu

Ukraine War: Here's Why Russia Has Lost So Many Tanks

Ukraine moves to end battlefield stalemate in what may be start of counteroffensive

Russia's Military Collapse Provided a 'Lend-Lease' for Ukraine

Najvažnije u agresiji Ruske gamadi na Ukrajinu

Ukrainian Tanks Crews Arrive In Britain For Training

Russia Lost 1,500 Tanks, Likely Half Its Arsenal, in Ukraine: Report

Tanks of the Ukrainian Army - Wikipedia

Feeding the Bear: A Closer Look at Russian Army Logistics and the Fait Accompli - War on the Rocks

Losing Crimea Would Escalate Russian-Ukraine Conflict, Former Defense Secretary Says - USNI News