Sturmgeschütz III
The "Jagdpanzer" IV, Sd.Kfz. 162, was a German tank destroyer based on the Panzer IV chassis and built in three main variants. As one of the casemate-style turretless Jagdpanzer (tank destroyer, literally "hunting tank") designs, it was developed against the wishes of Heinz Guderian, the inspector general of the "Panzertruppen", as a replacement for the "Sturmgeschütz III" ("StuG" III). Guderian objected against the needless, in his eyes, diversion of resources from Panzer IV tank production, as the "Sturmgeschütz III" was still more than adequate for its role.