With talk of mothballing, here's the gen on the British Army's Main Battle Tank fleet.
The tank's critics are about to be humiliated in Ukraine
Challenger 2 Main Battle Tank, United Kingdom
British Challenger 2 tanks arrive in Ukraine to join fight against Russia
24) UK says it will send Challenger tanks to Ukraine
The Challenger 2 Life Extension Programme – is it worth it? – UK Land Power
How the UK Challenger 2 Tanks Could Be a 'Game Changer' in Ukraine War
UK Considering Sending Challenger 2 Battle Tanks to Ukraine, Officials Say - Bloomberg
Challenger 2 tanks give the edge to UK-led NATO Battlegroup in Estonia
UK Challenger 2 Tank Destroyed in Battle for the First Time Ever ━ The European Conservative
Main battle tanks
Development] Challenger 2 TES: a new perspective - News - War Thunder