The Argus As 10 is a German-designed and built, air-cooled 90° cylinder bank angle inverted V8 "low power" inline aircraft engine, used mainly in training aircraft such as the Arado Ar 66 and Focke-Wulf Fw 56 Stösser and other small short range reconnaissance and communications aircraft like the Fieseler Fi 156 Storch during and shortly after WWII. It was first built in 1928.
Russia, 1942: Ranking Luftwaffe officer arrives at forward airfield in a Fieseler Storch Fi 156 light observer plane. The Fi remains famous for her STOL capabilities that made her perfect platform for establishing air liaison with locations in difficult terrain. The Fieseler factory in Kassel produced an estimated 2,900 Fi 156s during the war.