according to the tank museum video, the Charioteer was not a replacement for Firefly and had nothing to do with going in Cromwell troops. It was a way of getting the 20pdr gun into tanks quickly as the production of the Centurions with the 20pdr was slow
Sorry, but can’t wait for this silliness to be over with. Our gaming group is waiting patiently for pacific and early war. Fantasy tanks =land raider ! 😏