A video appears to show a British-built Challenger 2 tank in Ukraine with an extra piece of armor added to protect a weak spot.
German and U.S. Tanks Will Be Critical in Ukraine's Next Phase Against Russia
Ukraine Modifying UK Challenger 2 Battle Tanks Due to Weak Spot: Report, tank 2
UK-supplied Challenger 2 tank destroyed in Ukraine, a first from Russian fire, tank 2
Ukraine Modifying UK Challenger 2 Battle Tanks Due to Weak Spot: Report, tank 2
Ukrainian Challenger 2 And Russian T-55 Tanks Could Meet in
Explainer: Main Battle Tank - Usanas Foundation - Decode Diagnose Demystify
Ukraine's New Tanks Are Seen in Action as Counteroffensive Gets Underway - BNN Bloomberg
Swiss say Germany can freely dispose of Leopard 2 tanks sold back to Rheinmetall, tank 2
Now that the game changing Leopard tank myth has been busted in
How Western Tanks in Ukraine Compare to Russia's Battalions
Visualizing the World's Top 25 Fleets of Combat Tanks - Visual Capitalist