2S9 NONA Self Propelled 120mm Mortar. This is based on the aluminum hull of the BTR-D with a 120 mm 2A60 mortar with a 1.8-meter-long barrel. It is breech-loaded and capable of firing HE (high explosive), white phosphorus and smoke rounds. Pictures taken at National Museum of the History of Ukraine in the Second World War, Kiev by Dave Haskell.