Just to expand on that a bit, the USSR received ~$11 billion in lend-lease assistance from the US, which is roughly $130 billion in current dollars. The scale

Just to expand on that a bit, the USSR received ~$11 billion in lend-lease assistance from the US, which is roughly $130 billion in current dollars. The scale was incredible - hundreds of thousands trucks and jeeps, thousands of tanks, thousands of airplanes, as well as small arms, ammo, explosives, etc. Food, too, and lots of oil. A huge part of the Red Army's success was having the US backing them up.