This, then, was the tank that the M3 Grant/Lee would have been the first time around, had the Allies had the time and experience to have made it so. The M4 Sherman also had its shortcomings.

While not the most powerful tank, the American M3 Stuart tank was a favorite for ... It would also be used later in the Korean War. The British M4 Sherman Firefly was based on America’s Sherman ...

It wasn't used in combat operations, while its successor, the M3 Lee was used as a stopgap measure while the development of another tank commenced. That replacement armor was the M4 Sherman ...