Polikarpov Po-2 (U-2, U-2LNB)
The aircraft was designed by Nikolai Polikarpov to replace the U-1 trainer. In Russian, nicknamed "Kukuruznik" meaning "maize duster" or "crop duster". Postwar NATO nickname "Mule". The reliable, uncomplicated as well as a low-cost ground attack, aerial reconnaissance, psychological warfare and liaison aircraft during war, proving to be one of the most versatile light combat types to be built in USSR and remained in production for a longer period of time than any other Soviet aircraft.
An estimated 40,000 were built between 1928 and 1953