The GAZ-46, army designation MAV (Russian, малый автомобиль водоплавающий, small floating car), is a Russian-made light four-wheel drive amphibious military vehicle that entered service in the 1950s and has been used by many Eastern Bloc allied forces since.During the Second World War Canada, Britain and the US forwarded large quantities of military materials to Russia. Among those were jeeps, trucks, and amphibious vehicles like the 6x6 DUKW and the 4x4 Ford GPA.