The M3 Stuart is not to be confused with the M3 Lee/Grant - a medium tank model that proved impactfulin WWII.

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.

But the M3’s design was in fact based upon expediency. Entering World War II, the United States fielded only M2A4 and M3 Stuart light tanks and a few dozen M2 medium tank suitable only for training.

But the M3’s design was in fact based upon expediency. Entering World War II, the United States fielded only M2A4 and M3 Stuart light tanks and a few dozen M2 medium tank suitable only for training.

The American M3 was produced in two variants, as the M3 Lee and M3 Grant tanks. Both variants were used by the Allies. The M3 Lee Tank saw action with in North Africa, Sicily and the Pacific.