Tanks of the U.S. in the Cold War M47 Patton was intended to replace the M46 Patton and M4 Sherman tanks. It had a 90 mm gun and a crew of 5. The M47 was the U.S. Army and Marine Corps primary tank, intended to replace the M46 Patton and M4 Sherman tanks. Although roughly similar (from a distance) to the later M48s and M60s, these were completely new tank designs. Many different M47 Patton models remain in service internationally. The M47 was the last US tank to have a bow-mounted machine gun in the hull. Despite it being the primary tank of the US it never saw
History of the tank was considered to be up to 10 tons, the medium (produced by the British) was roughly between 10 and 25 tons, and the heavy was over 25 tons. For World War II, increased weights resulted in the light tank being over 20 tons, the medium over 30, and the heavy, developed toward the end of the war, over 60 tons. During the period between the world wars, the weights of the classifications varied generally within these extremes. The U.S. National Defense Act of 1920 placed the Tank Corps under the Infantry. The Act's stipulation that "hereafter all tank units shall