East Early 43 became s. Aug 43 East Sept 44, became Stu. East Aug 44 became H.Art.Pak. 914 Jan 44 Italy Never saw combat before being redesignated Stu. Some of the units had existed for several months before this event.
Area gives the front the unit fought on.
More details of certain units are given below. Sturm Artillerie gives the date when an escort battery was added. Units were designated StuG Abteilung before the addition of the escort battalion and Sturmartillerie Brigaden after. Note that none of the units were continuously at the front for all the time they existed. Units were periodically pulled back for rest and re-equipping.