America M10 Tank Destroyer ended up being provided to British forces through Lend-Lease, a credit card applicatoin of help to countries at war against Germany alongside its allies. Its main armament finished up being considered under-performing by the British, who replaced the 3'' product because of the AT 17-pounder which has been currently setup on Firefly Sherman tanks. The M10 had its baptism of fire through Battle of Normandy"