Greatly outclassed from the air till the end of 1942 and perfectly into 1943, the Soviets however managed to show the tide on the war on the ground. To capitalize on their own successes, they essential to be able to take on the Luftwaffe, as well as the wood-winged Yak-1 https://www.metooo.com/u/66ea88f2b6d67d6d17856135