Gepanzerter Selbstfahrlafette für Sturmgeschütz 7.5cm Kanone Ausf. D (SdKfz 142/1) was an armored vehicle (assault gun, AFV or armoured fighting vehicle) in combat use during the Second World War (World War II or WWII) in the European theater. The Sturmgeschütz III was a fully tracked all-terrain vehicle designed for military operations. StuG. III Ausf. D was produced and deployed by the German Army (Heers) of Nazi Germany (the Third Reich). The technical drawing (plan, layout or profile) shows the general appearance characteristics of the specified model (version) of the Sturmgeschütz III Ausf. D assault gun for purposes of identification and reference. For more detailed information about this armored fighting vehicle, refer to StuG III Ausf. D.