Tanks of the United States US allies it was also used in conflicts beyond World War II. A 24-volt electrical system was used in the M4. Early Shermans mounted a 75 mm medium-velocity general-purpose gun. Although Ordnance began work on the Medium Tank T20 as a Sherman replacement, ultimately the Army decided to minimize production disruption by incorporating elements of other tank designs into the Sherman. Later M4A1, M4A2, and M4A3 models received the larger T23 turret with a high-velocity 76 mm M1 gun, which reduced the number of HE and smoke rounds carried and increased the number of anti-tank rounds. Later, the M4 and
Aftermath of the Korean War forces than in previous wars. For service during the Korean War, the U.S. military issued the Korean Service Medal. However, many still-living Korean War veterans claim that their country tends to neglect the remembrance of this war. With more overt displays made for World War I, World War II, the Vietnam War, the Persian Gulf War, the War in Afghanistan, and the Iraq war, the Korean War has come to be dubbed by some as the "Forgotten war" or the "Unknown War." As a partial remedy, the Korean War Veterans Memorial was built in Washington, D.C. and dedicated to veterans