The Ilyushin Il-4 was a Soviet World War II bomber aircraft, widely used by the Soviet Air Force (VVS, Voenno-Vozdushnye Sily) although not well known. Its NATO code-name was "Bob".
This virtual model represent the Ilyushin Il-4/DB3F of the Frontal Aviation Regiment, Eastern Front, Summer 1942. And the same Ilyushin Il-4/DB3F on winter camouflage.