The 122-mm howitzer D-30 (GRAU index 2A18) is a Soviet howitzer...
wikipedia - 28 Feb 2022The 122-mm howitzer D-30 (GRAU index 2A18) is a Soviet howitzer that first entered service in 1960. It is a robust piece that focuses on the essential features of a towed field gun suitable for all conditions. The D-30 has a maximum range of 15.4 kilometers, or over 21 km using RAP ammunition.