Land combat in World War II was dominated by the tank. The role of these hefty vehicles changed somewhat as the war evolved, with new models being manufactured and their weapons and defenses evolving.
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The US M3 Lee/Grant tank: the twin gunned general

The Americans hurriedly started to develop a tank that would later become the legendary and highly successful M4 Sherman medium tank. In the meantime, however, both the Americans and the British ...
Summary: The M3 medium tank, known for its dual main guns and historical significance, played a crucial role as a stop-gap solution for the United States during the early stages of World War II.