Chobittsu about 6 years ago World of Warplanes reference here, one of their April Fool's jokes was announcing the release of a Dragon techtree
279okshap almost 6 years ago Markings indicate that the Cromwell belongs to 1st Royal Tank Regiment *, 22nd Armoured Brigade, 7th Armoured Division.*Mostly, but not 100%, sure. Could be 5 RTR or another subordinate unit of the 22nd Armoured Brigade.