Comparing: AC 1 Sentinel vs. M3 Lee

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.

A WWII-era U.S. medium tank. The vehicle was named after the Confederate General of the U.S. Civil War, R. Lee. Also, widely recognized under its U.K. designation, M3 Grant, named after the General of the federal troops U. Grant. M3 was created in 1940 on the basis of the M2 tank, and saw mass production from June 1941 through December 1942. A total of 6,258 M3 tanks of various modifications were produced.