The Yakovlev Yak-1 was a Soviet fighter aircraft developed during World War II. It first flew in 1940 and became one of the most important fighters for the Soviet Air Force. The Yak-1 was known for its agility, speed, and effectiveness in dogfights, making it a key asset in the Eastern Front. Designed by Alexander Yakovlev, the Yak-1 featured a low-wing monoplane design and was powered by a V-12 engine. It was equipped with a combination of machine guns and cannons, allowing it to engage both enemy aircraft and ground targets. The Yak-1 played a significant role in the Soviet victory during the war.