Tanks of the United States John J. Pershing who led the American Expeditionary Force in Europe in World War I, it was designed and came out at the end of World War II and was used in the Korean Conflict. In May 1946, due to changing conceptions of the U.S. Army's tank needs, the M26 was reclassified as a medium tank. Designed as a heavy tank, the Pershing was a significant upgrade from the M4 Sherman in terms of firepower with its 90 mm gun and protection. On the other hand, its mobility was unsatisfactory for a medium tank (it used the same engine that
Soviet Union in the Korean War China. By April 1950, the Soviet Union had provided 63 of the North Korean Air Force's 178 aircraft, which until September 1950 proved highly effective against minimal South Korean air defenses (which was more heavily backed by US and UN air forces instead) An important area in which Soviet intervention was key in the Korean War was in the air-war. Soviet innovation in aircraft design, as well as the experience of many of its pilots following the Second World War meant that the 'new' states of China and North Korea were dependent on Soviet help in this area. Both the