Medium tank the term Medium for their tanks as the new philosophy of Cruiser tank and Infantry tank which defined tanks by the role rather than size came into use. There were medium tanks that focused on anti-infantry capabilities (such as in World War II: the Panzer IV short-barrel, and the M4 Sherman), and medium tanks which were more focused on the anti-tank role, mounting high-velocity tank guns. The French cavalry tanks ("Chars de Cavalerie") focused on speed in addition to power and protection of the other designs. They were similar to what other countries called medium tanks. When Soviet tank designers
Soviet Union in the Korean War Soviet military aid was instrumental to equipping both the North Korean and Chinese forces fighting in Korea. The Soviet PPSh-41 submachine gun (nicknamed by US forces the ""Burp Gun"" after the sound it made) was widely supplied to both countries' armies, as was the T-34/85 medium tank which was of great importance during the initial offensives by the Communist side when no US armour (particularly the M24 Chaffee light tank) or anti-tank rockets (such as the M9 2.36-inch Bazooka) could penetrate its heavy sloped armour. Soviet material aid was also fundamental for the air forces of both North Korea and