Soviet A-20 Boston torpedo bombers the US-made of the field modifications from the Red Army Air Force during the Second World War in Russia.
When modifying the Soviet A-20 Boston to torpedo bomber from the the bottom of the fuselage were placed torpedo bridges in the bomb bay was installed additional fuel tank, allowing to balance the range of Boston and IL-4. From the bow of the bomber was removed the top four machine guns, are glazed and made it to the cockpit of the aircraft navigator.