Both the German Heinkel He 50 and the Soviet Polikarpov Po-2 were used with relative success in the night ground attack role throughout the Second World War. In the case of the Po-2, production of the aircraft continued even after the end of the conflict, not ending until around 1952."Soviet Polikarpov U-2 bomber, trainer; Polikarpov Po-2 bomber, trainer." wwiivehicles.com. Retrieved: 30 November 2012. A significant number of Po-2s were fielded by the Korean People's Air Force during the Korean War, inflicting serious damage during night raids on United Nations bases.Dorr 2003, p. 50. The Po-2 is also the only biplane to be credited with a documented jet-kill, as one Lockheed F-94 Starfire was lost while slowing down to – below its stall speed – during an intercept in order to engage the low flying Po-2.Grier, Peter. "15 April 1953". Air Force Magazine, Air Force Association, June 2011, p. 57.
Both the German Heinkel He 50 and the Soviet Polikarpov Po-2 were used with relative success in the night ground attack role throughout the Second World War In the case of the Po-2 production of the aircraft continued even after the end of the conflict not ending until around 1952"Soviet Polikarpov U-2 bomber trainer; Polikarpov Po-2 bomber trainer" wwiivehiclescom Retrieved 30 November 2012 A significant number of Po-2s were fielded by the Korean People's Air Force during the Korean War inflicting serious damage during night raids on United Nations basesDorr 2003 p 50 The Po-2 is also the only biplane to be credited with a documented jet-kill as one Lockheed F-94 Starfire was lost while slowing down to – below its stall speed – during an intercept in order to engage the low flying Po-2Grier Peter "15 April 1953" Air Force Magazine Air Force Association June 2011 p 57