Combined model - Soviet front-line bomber Su-24.
Historical note: The Soviet front-line bomber Su-24 is a highly effective long-range fighter-bomber with variable wing geometry, which can be used as a carrier of nuclear weapons. The first prototype took off on January 17, 1970. These machines began to enter the troops in December 1974 under the working designation Su-19. Later, the aircraft received the designation Su-24. Rifle-cannon armament is represented by a built-in installation with a six-barrel gun GSh-b-23 or GSh-6-23M, 23 mm caliber, with an ammunition load of 500 shells.