SD2:150 H/40

 is a Finnish Artillery unit in Steel Division II.

Background
15 cm schwere Feldhaubitze 18 was the heavy German divisional artillery during World War II. This howitzer replaced the Great War era 15 cm sFH 13. Development started in 1926 with production starting in 1933. Finland bought 40 in late 1940 from Germany to equip four (2nd, 13th, 14th and 15th) motorized Heavy Artillery Battalions. Panssaridivisioona was supported by 14th Heavy Artillery Battalion.