The IX Reserve Corps (german: IX. Reserve-Korps / IX RK) was a

corps Corps (; plural ''corps'' ; from French , from the Latin "body") is a term used for several different kinds of organization. A military innovation by Napoleon I, the formation was first named as such in 1805. The size of a corps varies great ...

level command of the

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World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

Formation

IX Reserve Corps was formed on the outbreak of the war in August 1914 as part of the mobilisation of the Army. It was initially commanded by

General der Infanterie General of the Infantry is a military rank of a General officer in the infantry and refers to: * General of the Infantry (Austria) * General of the Infantry (Bulgaria) * General of the Infantry (Germany) ('), a rank of a general in the German Imp ...

Max von Boehn Max Ferdinand Karl von Boehn (16 August 1850 − 18 February 1921) was a German officer involved in the Franco-Prussian War and World War I. He held the rank of ''Generaloberst'' in World War I. Life Early life Max von Boehn was born in Bromber ...

, brought out of retirement. It was still in existence at the end of the war in the 5th Army, ''Heeresgruppe'' Gallwitz on the Western Front.

Structure on formation

On formation in August 1914, IX Reserve Corps consisted of two divisions, made up of reserve units. In general, Reserve Corps and Reserve Divisions were weaker than their active counterparts :Reserve Infantry Regiments did not always have three battalions nor necessarily contain a machine gun company :Reserve Jäger Battalions did not have a machine gun company on formation :Reserve Cavalry Regiments consisted of just three squadrons :Reserve Field Artillery Regiments usually consisted of two ''abteilungen'' of three batteries each :Corps Troops generally consisted of a Telephone Detachment and four sections of munition columns and trains The IX Reserve Corps was exceptional as it formed the major part of the North Army so was provided with more Corps Troops than other Reserve Corps: a Foot Artillery Battalion, a

Pioneer Pioneer commonly refers to a settler who migrates to previously uninhabited or sparsely inhabited land. In the United States pioneer commonly refers to an American pioneer, a person in American history who migrated west to join in settling and de ...

Regiment and a Field Airship Detachment. In summary, IX Reserve Corps mobilised with 25 infantry battalions, 5 machine gun companies (30 machine guns), 6 cavalry squadrons, 12 field artillery batteries (72 guns), 4 heavy batteries (16 guns), a Field Airship Detachment and 7 pioneer companies. 17th Reserve Division was slightly stronger than the norm as it included an active infantry brigade.

Combat chronicle

On mobilisation, IX Reserve Corps was assigned to the North Army, which was held back in

Schleswig The Duchy of Schleswig ( da, Hertugdømmet Slesvig; german: Herzogtum Schleswig; nds, Hartogdom Sleswig; frr, Härtochduum Slaswik) was a duchy in Southern Jutland () covering the area between about 60 km (35 miles) north and 70 km ...

to defend the German North Sea Coast in case of British landings. It was soon transferred to the Western Front, joining 1st Army in late August.

Commanders

IX Reserve Corps had the following commanders during its existence:

References

Bibliography