2S7 Peony Howitzer The 2S7 Peony, also known as the Pion, was designed in the Soviet Union in the early 1970s. This self-propelled gun, with an 8-inch caliber, stands out among other artillery ...

The 2S7 Peony, also known as the Pion, was designed in the Soviet Union during the early 1970s. This self-propelled gun, with a calibre of 203 millimetres, stands out from other artillery systems ...