Allied invasion of Italy order of battle

The Allied invasion of Italy, a phase of the Mediterranean Theater of World War II, took place on 3 September at Reggio di Calabria (Operation Baytown), and on 9 September 1943 at Taranto and Salerno (Operation Slapstick and Operation Avalanche respectively). Allied naval forces landed American and Commonwealth troops on the beaches of southern Italy where they faced resistance from Axis forces.

Allied Forces
Allied Forces Headquarters (AFHQ), Mediterranean General Dwight D. Eisenhower

Ground forces
 * Allied 15th Army Group
 * General Harold Alexander

Naval forces
 * Allied Naval Forces, Mediterranean (Admiral Andrew Cunningham)
 * Western Task Force (Operation Avalanche) (Vice Admiral H. Kent Hewitt, USN)
 * Force H (Vice Admiral Sir Algernon Willis, RN)
 * Naval Task Force, Operation Slapstick (Vice Admiral Arthur Power, RN)

Air forces
 * Mediterranean Air Command (Allied) (Air Chief Marshal Sir Arthur Tedder)

Operation Baytown – 3 September
Landings across Strait of Messina

British Eighth Army
General Bernard Law Montgomery

British XIII Corps
Lieutenant-General Sir Miles Dempsey


 * Corps troops
 * 1st Special Reconnaissance Squadron
 * No. 3 Commando
 * No. 40 (Royal Marine) Commando
 * Corps artillery
 * 6th Army Group, Royal Artillery
 * 2nd Anti-Aircraft Brigade
 * Also supporting XIII Corps
 * 5th Army Group, Royal Artillery
 * XXX Corps Artillery


 * 5 inf div -vector.svg British 5th Infantry Division
 * Major-General Gerard Bucknall
 * 13th Infantry Brigade (Brigadier L.M. Campbell)
 * 2nd Battalion Cameronians (Scottish Rifles)
 * 2nd Battalion Royal Inniskilling Fusiliers
 * 2nd Battalion Wiltshire Regiment
 * 15th Infantry Brigade (Brigadier E.O. Martin)
 * 1st Battalion Green Howards
 * 1st Battalion King's Own Yorkshire Light Infantry
 * 1st Battalion, York and Lancaster Regiment
 * 17th Infantry Brigade (Brigadier Dudley Ward)
 * 2nd Battalion Royal Scots Fusiliers
 * 2nd Battalion Northamptonshire Regiment
 * 6th Battalion Seaforth Highlanders
 * Divisional troops
 * 7th Battalion, Cheshire Regiment (Machine Gun Battalion)
 * 5th Reconnaissance Regiment, Reconnaissance Corps
 * 91st (4th London) Field Regiment, Royal Artillery
 * 92nd (5th London) Field Regiment, Royal Artillery
 * 156th (Lanarkshire Yeomanry) Field Regiment, Royal Artillery
 * 52nd (6th London) Anti-Tank Regiment, Royal Artillery
 * 18th Light Anti-Aircraft Regiment, Royal Artillery
 * 38th Field Company, Royal Engineers
 * 245th Field Company, Royal Engineers
 * 252nd Field Company, Royal Engineers
 * 254th Field Park Company, Royal Engineers


 * 1 Canadian Infantry Division patch.svg Canadian 1st Infantry Division
 * Major-General Guy Simonds
 * 1st Infantry Brigade (Brigadier Howard Graham)
 * The Royal Canadian Regiment
 * 1st Battalion, The Hastings and Prince Edward Regiment
 * 1st Battalion, 48th Highlanders of Canada
 * 2nd Canadian Infantry Brigade (Brigadier Chris Vokes)
 * Princess Patricia's Canadian Light Infantry
 * 1st Battalion, The Seaforth Highlanders of Canada
 * 1st Battalion, The Loyal Edmonton Regiment
 * 3rd Canadian Infantry Brigade (Brigadier M.H.S. Penhale)
 * Royal 22e Régiment
 * 1st Battalion, The Carleton and York Regiment
 * 1st Battalion, The West Nova Scotia Regiment
 * 1st Canadian Armoured Brigade (Brigadier R.A. Wyman)
 * 11th Armoured Regiment (The Ontario Regiment)
 * 12th Armoured Regiment (Three Rivers Regiment)
 * 14th Armoured Regiment (The Calgary Regiment)
 * Divisional troops
 * 4th Reconnaissance Regiment (4th Princess Louise Dragoon Guards)
 * 1st Infantry Division Support Battalion (The Saskatoon Light Infantry) (Machine Gun Battalion)
 * 1st Field Regiment, Royal Canadian Horse Artillery
 * 2nd Field Regiment, Royal Canadian Artillery
 * 3rd Field Regiment, Royal Canadian Artillery
 * 1st Anti-Tank Regiment, Royal Canadian Artillery
 * 1st Light Anti-Aircraft Regiment, Royal Canadian Artillery
 * 1st Field Company, Royal Canadian Engineers
 * 3rd Field Company, Royal Canadian Engineers
 * 4th Field Company, Royal Canadian Engineers
 * 2nd Field Park Company, Royal Canadian Engineers


 * 231st Infantry Brigade (Malta).svgBritish 231st Infantry Brigade Group (Brigadier Roy Urquhart)
 * 2nd Battalion Devonshire Regiment
 * 1st Battalion Hampshire Regiment
 * 1st Battalion Dorsetshire Regiment
 * 165th Field Regiment, Royal Artillery
 * 295th Field Company, Royal Engineers

Operation Slapstick – 9 September
Landings at Taranto

British Eighth Army
General Sir Bernard Law Montgomery


 * British Airborne Units.svg British 1st Airborne Division
 * Major-General George F. Hopkinson killed in action 9 Sep, then Major-General Ernest Down
 * 1st Parachute Brigade (Brigadier G.W. Lathbury)
 * 1st Parachute Battalion
 * 2nd Parachute Battalion
 * 3rd Parachute Battalion
 * 16th (Parachute) Field Ambulance
 * 2nd Parachute Brigade (Brigadier Ernest Down)
 * 4th Parachute Battalion
 * 5th Parachute Battalion
 * 6th Parachute Battalion
 * 127th (Parachute) Field Ambulance
 * 4th Parachute Brigade (Brigadier J.W. Hackett)
 * 10th Parachute Battalion
 * 11th Parachute Battalion
 * 156th Parachute Battalion
 * 133rd (Parachute) Field Ambulance
 * 1st Airlanding Brigade (Brigadier Pip Hicks)
 * 1st Battalion Border Regiment
 * 2nd Battalion South Staffordshire Regiment
 * 181st (Airlanding) Field Ambulance
 * Glider Pilot Regiment

Operation Avalanche – 9 September
Landings at Salerno

US Fifth Army
Lieutenant General Mark W. Clark

Army Group Reserve
 * [[Image:82 ABD SSI.svg|20px]] US 82nd Airborne ("All-American") Division
 * Major General Matthew B. Ridgway
 * 504th Parachute Infantry Regiment
 * 505th Parachute Infantry Regiment
 * 325th Glider Infantry Regiment
 * [[Image:1st Armored Division (shoulder sleeve insignia).png|22px]] US 1st Armored ("Old Ironsides") Division
 * Major General Ernest N. Harmon

British X Corps
Lieutenant-General Richard L. McCreery

Northern landing beaches


 * Corps troops
 * Royal Scots Greys (Sherman tanks, attached to 56th Division)
 * 40th Royal Tank Regiment (attached to British 46th Infantry Division)
 * British Special Service Brigade (Brigadier Robert Laycock)
 * No. 2 (Army) Commando
 * No. 41 (Royal Marine) Commando
 * US Ranger Force (Lieutenant Colonel William O. Darby)
 * 1st Ranger Battalion
 * 3rd Ranger Battalion
 * 4th Ranger Battalion


 * [[Image:46 inf div -vector.svg|22px]] British 46th Infantry Division
 * Major-General John Hawkesworth
 * 128th (Hampshire) Infantry Brigade (Brigadier M.A. James)
 * 2nd Battalion, Hampshire Regiment
 * 1/4th Battalion, Hampshire Regiment
 * 5th Battalion, Hampshire Regiment
 * 138th Infantry Brigade (Brigadier G.P. Harding)
 * 6th Battalion, Lincolnshire Regiment
 * 2/4th Battalion, King's Own Yorkshire Light Infantry
 * 6th Battalion, York and Lancaster Regiment
 * 139th Infantry Brigade (Brigadier R.E.H. Stott)
 * 2/5th Battalion, Leicestershire Regiment
 * 5th Battalion, Sherwood Foresters
 * 16th Battalion, Durham Light Infantry
 * Divisional Troops
 * 2nd Battalion, Royal Northumberland Fusiliers (Machine Gun Battalion)
 * 46th Reconnaissance Regiment, Reconnaissance Corps
 * 70th Field Regiment, Royal Artillery
 * 71st Field Regiment, Royal Artillery
 * 172nd Field Regiment, Royal Artillery
 * 58th Anti-Tank Regiment, Royal Artillery
 * 5th Medium Regiment, Royal Artillery
 * 115th Light Anti-Aircraft Regiment, Royal Artillery
 * 270th Field Company, Royal Engineers
 * 271st Field Company, Royal Engineers
 * 272nd Field Company, Royal Engineers
 * 273rd Field Park Company, Royal Engineers


 * 56 inf div -vector.svg 56th (London) Infantry Division
 * Major-General Douglas Graham
 * 167th (London) Infantry Brigade (Brigadier C.E.A. Firth)
 * 8th Battalion, Royal Fusiliers
 * 9th Battalion, Royal Fusiliers
 * 7th Battalion, Oxfordshire and Buckinghamshire Light Infantry
 * 169th (London) Infantry Brigade (Brigadier L.O. Lyne)
 * 2/5th Battalion, Queen's Royal Regiment (West Surrey)
 * 2/6th Battalion, Queen's Royal Regiment (West Surrey)
 * 2/7th Battalion, Queen's Royal Regiment (West Surrey)
 * 201st Guards Brigade (Brigadier J.A. Gascoigne)
 * 6th Battalion, Grenadier Guards
 * 3rd Battalion, Coldstream Guards
 * 2nd Battalion, Scots Guards
 * Divisional Troops
 * 6th Battalion, Cheshire Regiment (Machine Gun Battalion)
 * 44th Reconnaissance Regiment, Reconnaissance Corps
 * 64th Field Regiment, Royal Artillery
 * 65th Field Regiment, Royal Artillery
 * 113th Field Regiment, Royal Artillery
 * 67th Anti-Tank Regiment, Royal Artillery
 * 69th Medium Regiment, Royal Artillery
 * 57th Heavy Anti-Aircraft Regiment, Royal Artillery
 * 100th Light Anti-Aircraft Regiment, Royal Artillery
 * 220th Field Company, Royal Engineers
 * 221st Field Company, Royal Engineers
 * 42nd Field Company, Royal Engineers
 * 563rd Field Park Company, Royal Engineers


 * [[Image:7th armd div %283%29.svg|22px]] British 7th Armoured Division
 * Major-General George Erskine
 * 22nd Armoured Brigade (Brigadier W.R.N. Hinde)
 * 1st Royal Tank Regiment
 * 5th Royal Tank Regiment
 * 4th County of London Yeomanry (Sharpshooters)
 * 1st Battalion, Rifle Brigade (Prince Consort's Own)
 * 131st Infantry Brigade (Brigadier Lashmer Whistler)
 * 1/5th Battalion, Queen's Royal Regiment (West Surrey)
 * 1/6th Battalion, Queen's Royal Regiment (West Surrey)
 * 1/7th Battalion, Queen's Royal Regiment (West Surrey)
 * Divisional Troops
 * 11th Hussars
 * 3rd Regiment, Royal Horse Artillery
 * 5th Regiment, Royal Horse Artillery
 * 146th Field Battery, Royal Artillery
 * 65th Anti-Tank Regiment, Royal Artillery
 * 15th Light Anti-Aircraft Regiment, Royal Artillery
 * 4th Field Squadron, Royal Engineers
 * 621st Field Squadron, Royal Engineers
 * 143rd Field Park Squadron, Royal Engineers

US VI Corps


Major General Ernest J. Dawley

Southern landing beaches


 * 3rd Infantry Division SSI (1918-2015).svg US 3rd Infantry ("Rock of the Marne") Division
 * Major General Lucian K. Truscott
 * 7th Infantry Regiment
 * 15th Infantry Regiment
 * 30th Infantry Regiment
 * HHB 3rd DIVARTY
 * 9th Field Artillery Battalion
 * 10th Field Artillery Battalion
 * 39th Field Artillery Battalion
 * 41st Field Artillery Battalion
 * 3rd Reconnaissance Troop
 * 10th Engineer Combat Battalion
 * 3rd Medical Battalion
 * Headquarters, 3rd Special Troops
 * HHC, 3rd Infantry Division
 * 703rd Ordnance Light Maintenance Company
 * 3rd Signal Company
 * 3rd Quartermaster Company


 * 34th 'Red Bull' Infantry Division SSI.svg US 34th Infantry ("Red Bull") Division
 * Major General Charles W. Ryder
 * 133rd Infantry Regiment
 * 135th Infantry Regiment
 * 168th Infantry Regiment


 * 36th Infantry Division SSI.png US 36th Infantry ("Arrowhead") Division
 * Major General Fred L. Walker
 * 141st Infantry Regiment
 * 142nd Infantry Regiment
 * 143rd Infantry Regiment


 * 45th Infantry insignia (thunderbird).svg US 45th Infantry ("Thunderbird") Division
 * Major General Troy H. Middleton
 * 157th Infantry Regiment
 * 179th Infantry Regiment
 * 180th Infantry Regiment

Army Command South
Generalfeldmarschall Albert Kesselring

Armeeoberkommando (AOK) 10
Generaloberst Heinrich von Vietinghoff


 * XIV Panzer Corps


 * General der Panzertruppen Hermann Balck
 * Deployed along coast from north to south of Naples:
 * 15th Panzergrenadier Division (Generalleutnant Eberhard Rodt)
 * Kampfgruppe Stroh
 * Panzer Division Hermann Göring (Generalmajor Wilhelm Schmalz)
 * Kampfgruppe Haas
 * Kampfgruppe Becker
 * 16th Panzer Division (Generalleutnant Rudolf Sieckenius)
 * Kampfgruppe Dörnemann
 * Kampfgruppe Stempel
 * Kampfgruppe von Holtey
 * Kampfgruppe von Doering


 * LXXVI Panzer Corps


 * General der Panzertruppen Traugott Herr
 * Deployed in Calabria and Apulia:
 * 26th Panzer Division (Generalleutnant Smilo Freiherr von Lüttwitz)
 * Kampfgruppe
 * 3rd Panzergrenadier Division (Generalleutnant Fritz-Hubert Gräser)
 * Kampfgruppe Moldenhaur
 * 29th Panzergrenadier Division (Generalleutnant Walter Fries)
 * Kampfgruppe Ulich
 * Kampfgruppe Krüger

Italian 7th Army

 * Generale d'Armata Mario Arisio


 * XXXI Army Corps


 * Tenente Generale Camillo Mercalli
 * 211th Coastal Division (Generale d'Brigata Felice Gonnella)
 * 185th Paratroopers Regiment 'Nembo'