LVT-(A) 1 "Alligator" WWII saw a number of innovative new solutions to meet the demands of modern combat. One such class of military vehicle was the amphibious tractor, often referred to by US servicemen as amtracs. The first such Landing Vehicles Tracked (LVT) were produced by the Food Machinery Corporation (FMC) for the US military. By the end of WWII a total of 18,621 LVT family vehicles had been manufactured. The original military LVT-1 appeared in 1941, but one weakness was its lack of arm