Comparing: AC 1 Sentinel vs. Matilda

Developed in 1941 under the program for Australian cruiser tanks. There were plans to produce 2,000 vehicles, but from 1942 through 1943, only 65 vehicles, with serial numbers from 8001 to 8065, were manufactured. In July 1943, it was decided to stop development and cancel the program. The vehicles never saw combat and were used only for training purposes. In 1946, the tanks were removed from service.

Developed from 1936 through 1938. A total of 2987 vehicles were manufactured by August 1943. It was the only British tank to remain in service throughout World War II.