While sustaining huge losses at the onset of war, the Russian army was able to halt the German advance just short of Moscow thanks largely to the strength of their tank troops. Following concentrated artillery fire, tanks advanced in three waves with infantry riding on the tanks of the 2nd & 3rd waves. Since the Russian Ground Forces did not possess armored troop carriers like halftracks & universal carriers, so-called. Motor Rifle Units were attached to every tank brigade to provide infantry support Once encountering an enemy. s defensive position, tank riders would disembark, attack the position, & then remount to proceed with the offensive. These infantrymen spearheaded many attacks, & suffered heavy casualties from defending fire. All models are supplied un-assembled & unpainted, in their retail box.