The Landing Vehicle Tracked (LVT) was a class of amphibious warfare vehicle, a small landing craft, introduced by the United States Navy, Marine Corps and Army during World War II. Originally intended solely as cargo carriers for ship to shore operations, they rapidly evolved into assault troop and fire support vehicles as well. The LVT Mark I was the first military model. Traveling at a respectable six knots in the water and twelve mph on land, it...