British Army expressed their genuine interest in advanced version of Challenger 2

Challenger 2 - Wikipedia

UK Defence Secretary: British Army 15 years behind peers - Army Technology

How does the British Challenger 2 tank rate against its competitors? - Quora

With Costs Mounting, The British Army Will Only Upgrade Two-Thirds Of Its Challenger Tanks

UK Faces Tough Choices To Fix Troubled Ajax Vehicle - Breaking Defense

In pictures: British Army completes tank exercises in snowy Germany ahead of Estonia deployment

Challenger 2 Main Battle Tank, United Kingdom

Why is the Challenger 2 still considered the most armored tank in the world even though the Leopard 2A7 has far more armor? - Quora

Challenger 2 - Wikipedia

How to hide a tank: digital camouflage - Global Defence Technology, Issue 121

Bad News: The British Army Bought the Wrong Tank

Challenger 2 tank count dwindles as British Army is left with just 157 operational vehicles - Militarnyi