The battle of Kursk was fought between the Soviet Union and Germany in 1943. While it was mot well known for the massive tank engagement on the ground, in the air it was considered the largest air battle in human history. It also proved to be an important turning point in defeating the Nazis. More than 3,000,000 men took part in the battle, including a whopping 5,000 planes for both sides. The Germans lost approximately 800 aircraft, and the Soviets over 2,500. The Soviet Army outnumbered the Germans 2.1 and in the end they were able to win the battle through massive superiority.