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️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Type was also returned to production during 1942, although it was manufactured at a lower rate than it had been during 1940. Additional examples were operated by the Luftwaffe, Regia Aeronautica, and the Bulgarian Air Force.<unk> Additional examples were operated by the Luftwaffe, Regia Aeronautica, and the Bulgarian Air Force. D.520<unk> saw combat service in North Africa, Bulgaria, and the Eastern Front, as well as use in France and Germany for training and defense purposes. During the type's later life, it was used as a trainer aircraft.<unk> During the type's later life, it was used as a trainer aircraft. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️