The Mikulin M-15 is a Soviet aircraft engine designed in the 1940s. It is a liquid-cooled, V-12 piston engine that was primarily used in military aircraft. The engine is known for its reliability and power, making it suitable for various fighter and bomber planes of that era. Developed by Mikulin Design Bureau, the M-15 produced around 1,000 horsepower, allowing aircraft to achieve impressive speeds and performance. Its design contributed to the success of several Soviet aircraft during the post-World War II period, showcasing the advancements in aviation technology at the time.