Tanks in World War II bulldozer blade), the T34 Calliope (mounting a multiple rocket launcher above the turret), the M4A3R3 Flame thrower (flame tank), and the Sherman Crab Mark I (a M4 Medium with a mine flail), as well as many other variants. The United States eventually deployed the Light Tank M24, an improvement over the M3 Light Tank. The M24 had torsion-bar suspension, high mobility, and a compact 75 mm gun. Ergonomically the tank was quite good also. However, the M24 did not appear in combat until December 1944 and equipped only a few units by the end of the war. Near the end
M4 Sherman combat service in many conflicts around the world, including the UN forces in the Korean War, with Israel in the Arab–Israeli wars, briefly with South Vietnam in the Vietnam War, and on both sides of the Indo-Pakistani War of 1965. The U.S. Army Ordnance Department designed the M4 medium tank as a replacement for the M3 medium tank. The M3 was an up-gunned development of the M2 Medium Tank of 1939, in turn derived from the M2 light tank of 1935. The M3 was developed as a stopgap measure until a new turret mounting a 75 mm gun could be