Spitfire MK.VB it was the main fighter of the Royal Air Force in the middle of World War II and entered service in mass production in 1941. It was the core model of the Spitfire V series, which was replaced with Merlin 45 series engines (1440 horsepower). The wings are retrofitted with two 20mm Sispano guns and four 7.7mm guns in the classic firepower configuration, and can be mounted with auxiliary tanks or bombs for multi-mission. Widely involved in the late Battle of Britain, North Africa, the Mediterranean and Western convoys, Allied forces against the Germans BF-109F/G GG core aircraft, with a mass production of more than 3,000 units, were in service until the end of World War II, and some of the modified models even served in multinational air forces for a short time after the war.