The Messerschmitt Bf 110 was developed in the second half of the '30s, to equip the Luftwaffe with a twin-engined heavy fighter that could be used on long range to perform multirole missions as fighter, tactical bomber, and close support. The Messerschmitt Bf 110 G entered service in May 1942 and was characterized, compared to previous versions, for the adoption of two 1475 HP Daimler Benz DB 605 engines. With the new engines it was able to reach the speed of 595 km / h. In particular, the G-4 version, assumed the role of heavy night fighter with the task of counterbalance the Allied bombers incursions over the skies of Germany. Heavily armed, thanks to the possibility of installing, under the fuselage, two MK 108 30 mm guns. Furthermore the adoption of FuG202 radar, optimized for night hunting, made it a formidable opponent of British Lancaster bombers or American B-17s "Flying Fortress".