Operation Diadem order of battle

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Operation Diadem order of battle is a listing of the significant formations that were involved in the fighting on the Winter Line and at the Anzio bridgehead south of Rome during Operation Diadem in May - June 1944 which resulted in the Allied breakthrough at Cassino and the breakout at Anzio leading to the capture of Rome.

Contents

Allied Armies in Italy

C-in-C: General Sir Harold Alexander
Chief of Staff: Lieutenant-General Sir John Harding

U.S. Fifth Army

Commander:

Lieutenant General Mark W. Clark

U.S. VI Corps (At Anzio)

Major General Lucian K. Truscott

U.S. II Corps (on the Winter Line)

Major-General Geoffrey Keyes

Corps Expéditionnaire Français (French Expeditionary Corps) (on the Winter Line)

Général d'armée (General) Alphonse Juin
  • 3ème Division d'Infanterie Algérienne (3rd Algerian Infantry Division) (Général de division (Major-General) Joseph de Goislard de Monsabert)
  • 4ème Division Marocaine de Montagne (4th Moroccan Mountain Division) (Général de division (Major-General) François Sevez)
  • 2ème Division d'Infanterie Marocaine (2nd Moroccan Infantry Division) (Général de division(Major-General) André W. Dody)
  • 1ère Division Française Libre/1ère Division Motorisée d'Infanterie (1st Motorised Infantry Division) (Général de division (Major-General) Diego Brosset)
  • Commandement des Goums Marocains (Command of Moroccan Goumiers - Three Groups of Tabors each comprising three tabors of 500 to 800 men) (Général de brigade (Brigadier-General) Augustin Guillaume)
  • Corps Troops
    • 7ème et 8ème Régiments de Chasseurs d'Afrique (7th and 8th African Light Cavalry Regiment) (M10 tank destroyers)
    • Régiment d'Artillerie Coloniale du Levant (Levant Colonial Artillery Regiment)
    • 64ème Régiment d'Artillerie d'Afrique (64th African Artillery Regiment)
    • Groupe de canonniers-marins (Navy Artillery Battalion - two batteries)

Army Reserve

British Eighth Army (on the Winter Line)

Commander:

Lieutenant-General Sir Oliver Leese

British XIII Corps

Lieutenant-General Sidney C. Kirkman

I Canadian Corps

Lieutenant-General E. L. M. Burns

Polish II Corps

Lieutenant-General Władysław Anders

British X Corps

Lieutenant-General Sir Richard L. McCreery

Army Reserve

British V Corps (On the Adriatic front in a holding role directly under A.A.I.)

Lieutenant-General Charles Allfrey

German Army Group C

Commander:

Field Marshal Albert Kesselring

Army Group Reserve

Fourteenth Army (at Anzio)

Commander: Lieutenant-General Eberhard von Mackensen (until end May 1944, then under direct command of Kesselring)

I Parachute Corps

Lieutenant-General Alfred Schlemm

LXXVI Panzer Corps

Lieutenant-General Traugott Herr

Tenth Army (on the Winter Line)

Commander: General Heinrich von Vietinghoff

XIV Panzer Corps

Lieutenant-General Frido von Senger und Etterlin (on leave 17 April to 17 May during which time Lieutenant-General Otto Hartmann [4] )

LI Mountain Corps

Lieutenant-General Valentin Feurstein

Korpsgruppe Hauck (on Adriatic front in holding role)

Major-General Friedrich-Wilhelm Hauck

Armeegruppe von Zangen (in northern Italy)

Commander: Lieutenant-General Gustav von Zangen

LXXV Army Corps

Lieutenant-General Anton Dostler

Corps Witthöft (Eastern sub-Alpine region)

Lieutenant-General Joachim Witthöft

Corps Kübler (Adriatic coastal region)

Lieutenant-General Ludwig Kübler
  • 278th Infantry Division (most of) (Major-General Harry Hoppe)

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References

  1. Molony, pp. 14, 247 & 248
  2. Molony, p. 70.
  3. Molony, p. 69.
  4. Molony, pp. 51 & 150.

Sources