The Myasishchev M-55 is a high-altitude reconnaissance aircraft developed by OKB Myasishchev in the Soviet Union, similar in mission to the Lockheed ER-2, but with a twin-boom fuselage and tail surface design. It is a twin-engined development of the Myasishchev M-17 Stratosphera with a higher maximum take-off weight.

The Kolesov RD-36 was a supersonic turbojet engine used on various Soviet aircraft projects.