What is this thing on Russian tanks? images are in the first

As Russia's War Drags On, Its Military Equipment Gets Worse

Ukraine Has More Tanks Than Russia For First Time Ever

Poland delivers first German Leopard tanks to Ukraine

US Army tanks seem to have a large spotlight on the turret. What

What are these circular metal objects on this M1A1 Abrams tank

Technical Reflections on Russia's Armoured Fighting Vehicles

Czech Republic sends tanks to bolster Ukraine forces

Russian Army Receives First T-90M Proryv Tanks

What is the flaw in the Russian tanks design that is being called