Armee-Abteilung Gaede / Armee-Abteilung B (Army Detachment B) was an army level command of the GermanArmy in World War I. It served on the Western Front throughout its existence and formed the extreme left wing (up against the Swiss Border).
The following Orders of Battle illustrate the growth of the Armee-Abteilung during the war.
Organization of Armee-Abteilung Gaede on 10 December 1914[4]
Army
Corps
Division
Armee-Abteilung Gaede
Under Army command
4 Mixed Landwehr Brigades
Order of Battle, 30 October 1918
By the end of the war, the majority of the units assigned were lower quality Landwehr and Cavalry Schützen Divisions indicative of the relatively quiet sector that the Armee-Abteilung was operating in.
Organization of Armee-Abteilung B on 30 October 1918[5]
Armee-Abteilung or Army Detachment in the sense of "something detached from an Army". It is not under the command of an Army so is in itself a small Army.[8]
Armee-Gruppe or Army Group in the sense of a group within an Army and under its command, generally formed as a temporary measure for a specific task.
Heeresgruppe or Army Group in the sense of a number of armies under a single commander.
^Cron 2002, p. 262 As the peacetime Corps Commanders were mobilised in August 1914, they left behind a Deputy. The Deputy Corps Commanders were responsible for keeping the peace in their area, maintain order and morale, and in procuring, training and despatching recruits to the field army. Not to be confused with a Reserve Corps Commander.