But the M3 Stuart is not to be confused with the M3 Lee. This model was a medium tank, and though it proved impactful, it would be replaced by another model in time. Even so, it served a vital ...

another tank preceded it. The M3 Lee (called the Grant in the U.K.) was designed to function as the Army's primary medium tank across the entire theater of war until the M4 rolled off assembly lines.