The Challenger 3 delivery teams have now completed the Critical Design Review stage faster than expected.
Challenger 3 programme achieves major milestone - Defence
MBT-80 - Wikipedia
Challenger 3
Revealed: First look at UK's Challenger 3 main battle tank prototype
What upgrades will Britain's 'Challenger 3' tanks get?
Challenger 3: Could the tank's weight be a problem in war?
UK faces huge hurdle in Challenger 3 tank upgrades
Challenger 3: Meet the U.K.'s New Main Battle Tank
New BRITISH TANK Challenger 3 Is Ready For Action
Challenger 3: Third time lucky for British armoured-vehicle
Challenger 3 or Leopard