IX Reserve Corps (German Empire)

The IX Reserve Corps () was a corps-level command of the German Army in World War I.

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 Max von Boehn, brought out of retirement.The Prussian Machine Accessed: 9 March 2012 It was still in existence at the end of the war in the 5th Army, 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 About a third of Reserve Infantry Regiments formed in August 1914 lacked a machine gun company Reserve Jäger Battalions did not have a machine gun company on formation Active Jäger Battalions had a machine gun company with the exceptions of the 1st and 2nd Bavarian Jäger Battalions Reserve Cavalry Regiments consisted of just three squadrons Most active cavalry regiments had four squadrons, some were raised to six squadrons Reserve Field Artillery Regiments usually consisted of two abteilungen of three batteries each Active Divisions had a Field Artillery Brigade of two regiments Corps Troops generally consisted of a Telephone Detachment and four sections of munition columns and trains Active Corps Troops included a battalion of heavy howitzers (Foot Artillery), an Aviation Detachment, a Telephone Detachment, a Corps Pontoon Train, a searchlight section, 2 munition column sections, one Foot Artillery munitions column section and two Train sections

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 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.

Corps Division Brigade Units IX Reserve Corps 17th Reserve Division 81st Infantry Brigade 162nd Infantry Regiment 163rd Infantry Regiment 33rd Reserve Infantry Brigade 75th Reserve Infantry Regiment 76th Reserve Infantry RegimentWithout a machine gun company 6th Reserve Hussar Regiment 17th Reserve Field Artillery Regiment 4th Company, 9th Pioneer Battalion 17th Reserve Divisional Pontoon Train 9th Reserve Medical Company 18th Reserve Division 34th Reserve Infantry Brigade 31st Reserve Infantry Regiment 90th Reserve Infantry RegimentWithout a machine gun company 35th Reserve Infantry Brigade 84th Reserve Infantry RegimentWithout a machine gun company 86th Reserve Infantry Regiment 9th Reserve Jäger Battalion 7th Reserve Hussar Regiment 18th Reserve Field Artillery Regiment 1st Reserve Company, 9th Pioneer Battalion 2nd Reserve Company, 9th Pioneer Battalion 13th Reserve Medical Company Corps Troops II Battalion, 2nd Guards Foot Artillery Regiment Four batteries of 10cm guns (4 guns each) with a Park Company 31st Pioneer RegimentII Battalion, Guards Pioneer Battalion (1st and 4th Reserve Companies) and II Battalion, 28th Pioneer Battalion (4th Company, 28th Pioneer Battalion and 2nd Reserve Company, Guards Pioneer Battalion). Upon mobilisation, Pioneer Battalions were split into two new battalions and given the unusual designation of I or II Battalion, Pioneer Battalion n. 9th Reserve Telephone Detachment 5th Field Airship Detachment Munition Trains and Columns corresponding to the III Reserve Corps

Combat chronicle On mobilisation, IX Reserve Corps was assigned to the North Army, which was held back in Schleswig 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: From Rank Name 2 August 1914 General der Infanterie Max von Boehn2 February 1917 Generalleutnant Viktor Kühne12 March 1917 Generalleutnant Karl Dieffenbach

IX Reserve Corps (German Empire)

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