T20 Medium Tank T20 Medium Tank The Medium Tank T20 was part of a series of medium tanks designed by the United States during the Second World War, to be the successor to the Medium Tank M4 "Sherman", and culminated in the M26 Pershing. Almost immediately after the M4 Sherman was standardized, the US Ordnance Department started work on a successor. The Ordnance Department had already been working on heavily armored infantry tank design for the British, using M4 parts. The new project was started on the 25 May 1942, it was originally designated M4X. Starting with the T20, the Ordnance Department initially
Tanks of the U.S. in the Cold War Tanks of the U.S. in the Cold War This article deals with the history and development of American tanks from the end of World War II, and during the Cold War. In the Korean War M24 Chaffees were the first U.S. tanks to fight the North Korean T-34-85s. The M24 fared poorly against these much better-armed and armored medium tanks. When the war began in June 1950, the four American infantry divisions on occupation duty in Japan had no medium tanks at all, having only one active tank company (equipped with M24 Chaffee light tanks) each. When these divisions were