The add-on armor, on the lower front of the 69-ton, four-person—the “glacis”—clearly is meant to protect one of the tank’s notorious weak spots.
M1 Abrams, Leopard 2, Challenger 2: These are the tanks Ukraine will get from the U.S. and Europe - CBS News
9) Ukraine receives first British tanks and other armored vehicles
Britain to give Ukraine heavy tanks, as German 'Leos' are on hold
Ukraine's training on Challenger 2s 'probably to take up to six weeks'
Double Trouble For Russia: Ukraine Could Have Received 2X Challenger-2 Tanks Than Originally Pledged By UK
Britain Announces It Will Send Tanks To Ukraine
Ukraine upgrading UK-made Challenger 2's with Mad Max-style armour to defend against Putin's kamikaze drones
Challenger 2 - Wikipedia
Challenger 2: The heavy duty British tank being used by Ukraine
Challenger 3: Meet the U.K.'s New Main Battle Tank