This is why the Challenger 2 needs - Tanks. Being tanks.

Britain awards $1 billion contract to upgrade Challenger 2 tanks

Explained: Meet the mighty Challenger 2 tank, by Ministry of Defence, Voices Of The Armed Forces

Revealed: First look at UK's Challenger 3 main battle tank prototype - Breaking Defense

The tank's critics are about to be humiliated in Ukraine

Challenger 3: Meet the U.K.'s New Main Battle Tank

Why Ukraine believes tanks can turn the tide of war – POLITICO

Tanks 'could be scrapped' in radical overhaul of armed forces

Challenger 3 - Wikipedia

Challenger 2: Compared to the Competition

Big moves ahead on light tank, Bradley replacement and robot vehicles

Armoured vehicle mobility: Strike brigades and future trends