Mk IV Churchill Tank, the only surviving, working and fully…

the only surviving, working and fully equipped one of its kind in the world, and it is exactly the same as the ones which knocked out the first Tiger Tank to be captured intact by the British Army in 1943. That Tiger is now preserved in the Tank Museum Bovington. Seen here at Chartwell to mark the 50th anniversary of Sir Winston Churchill

The Churchill Tank: Part One

Panzerserra Bunker- Military Scale Models in 1/35 scale: Churchill Mk VIII CS - Close Support - case report

Churchill I - War Thunder Wiki

Cruisin' for a Bruisin': British Armour in the Western Desert

Panzerserra Bunker- Military Scale Models in 1/35 scale: Churchill

Churchill tank - Wikiwand

Churchill Crocodile Was a Real Flamethrower Tank During World War

The Churchill Mark IV infantry tank in service with the Canadian Army Overseas, December 1942 to May 1943

Tank tanks of the Churchill ARK family (UK)

I don't understand, how is Mk VII more superior than Mk III? I