The Mikoyan MiG-15 is a Soviet jet fighter that first flew in 1947 and became operational in 1949. It was designed for high-speed performance and was notable for its swept-wing design, which improved its aerodynamics. The MiG-15 was primarily used during the Korean War, where it gained a reputation for its effectiveness against American aircraft. Equipped with a powerful turbojet engine, the MiG-15 could reach speeds of over 600 miles per hour. It was armed with cannons and could carry rockets, making it a versatile combat aircraft. The MiG-15's design influenced many future fighter jets and solidified its place in aviation history.