Editing Operation Compass (section)

=== 10th Army ===

December 1940, detail taken from Montanari (1990) unless specified.{{sfn|Montanari|1990|pp=608–611}}
* '''Supreme Commander Italian Forces in North Africa''', Marshal [[Rodolfo Graziani]]
* '''10th Army''', General [[Italo Gariboldi]], from 23 December General [[Giuseppe Tellera]] ([[Killed in action]] [KIA] 7 February 1941)

==== Libyan Divisions Group ====
* '''Libyan Divisions Group''', headquarters in [[Sidi Barrani]] General [[Sebastiano Gallina]]
** '''[[1st Libyan Division (Italy)|1st Libyan Division]]''', at [[Al Maktilah]] (General Giovanni Cerio)
*** 1st Libyan Infantry Group, 3 × battalions, 1 × anti-tank company, [[Cannone da 47/32|47/32 mod. 1935]] anti-tank guns
*** 2nd Libyan Infantry Group, 3 × battalions, 1 × anti-tank company, 47/32 mod. 1935 anti-tank guns
*** 1st Libyan Artillery Group, 2 × groups [[8 cm FK M. 5|77/28 mod. 5]] field guns
*** II Mixed Engineer Battalion
*** Attached units
**** 1 artillery group from the [[2nd CC.NN. Division "28 Ottobre"]], [[Cannone da 75/27 modello 11|75/27 mod. 11]] field guns
**** 2 × batteries [[Cannone da 65/17 modello 13|65/17 mod. 13]] mountain guns
**** 1 × battery, 105/28 howitzers
**** 1 × artillery company, [[Cannone da 47/32|47/32 mod. 1935]] anti-tank guns
** '''[[2nd Libyan Division (Italy)|2nd Libyan Division]]''', between [[Ras el Dai]] and [[Alam el Tummar]] (General [[Armando Pescatori]])
*** 3rd Libyan Infantry Group, 4 × battalions, 1 × anti-tank company, [[Cannone da 47/32|47/32 mod. 1935]] anti-tank guns
*** 4th Libyan Infantry Group, 4 × battalions, 1 × anti-tank company, 47/32 mod. 1935 anti-tank guns
*** 2nd Libyan Artillery Group, 2 × groups [[8 cm FK M. 5|77/28 mod. 5]] field guns
*** I Mixed Engineer Battalion
*** Attached units
**** IX Tank Battalion L, with [[L3/35]] tankettes
**** 1 × group from the [[2nd CC.NN. Division "28 Ottobre"]], 75/27 mod. 11 field guns
**** 1 × group, 105/28 howitzers
**** 2 × batteries [[Cannone da 65/17 modello 13|65/17 mod. 13]] mountain guns
**** 1 × anti-tank company, [[Cannone da 47/32|47/32 mod. 1935]] anti-tank guns
** '''[[4th CC.NN. Division "3 Gennaio"]]''', in Sidi Barrani (General Fabio Merzari)
*** 228th CC.NN. Legion, 3 × battalions, 1 × battery, [[Cannone da 65/17 modello 13|65/17 mod. 13]] mountain guns, 1 × company, 81&nbsp;mm mortars
*** 250th CC.NN. Legion "Indomita", 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns, 1 × company, 81&nbsp;mm mortars
*** 204th Artillery Regiment, 2 × groups [[Cannone da 75/27 modello 11|75/27 mod. 11]] field guns, 1 × group, [[10 cm M. 14 Feldhaubitze|100/17 mod. 1914]] howitzers
*** IV CC.NN. Machine-Gun Battalion
*** IV CC.NN. Mixed Engineer Battalion
*** 4th CC.NN. Anti-Tank Company, 47/32 mod. 1935 anti-tank guns
*** Attached units
**** 1 × artillery group, 105/28 howitzers
**** 1 × artillery group, 75/27 C.K. anti-aircraft guns

==== XXI Corps ====
* '''[[XXI Army Corps (Italy)|XXI Corps]]''', headquarters in [[Buq Buq]] General [[Carlo Spatocco]]
** [[XX Tank Battalion L]], [[L3/35]] tankettes
** [[LXIII Tank Battalion L]], L3/35 tankettes
** X Machine Gun Squadrons Group
** 1 × motorcyclist company
** '''[[63rd Infantry Division "Cirene"]]''', at [[Rabia (Libya)|Alam el Rabia]] and [[Bir Bofafi]] (General Alessandro de Guidi)
*** [[157th Infantry Regiment "Cirene"]], 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns, 1 × company, 81&nbsp;mm mortars
*** 158th Infantry Regiment, 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns, 1 × company, 81&nbsp;mm mortars
*** 45th Artillery Regiment, 2 × groups [[Cannone da 75/27 modello 11|75/27 mod. 11]] field guns, 1 × group, [[10 cm M. 14 Feldhaubitze|100/17 mod. 1914]] howitzers
*** LXIII Machine-Gun Battalion
*** LXIII Mixed Engineer Battalion
*** Attached units
**** I/21st Artillery Group, 105/28 howitzers
**** III/12th Artillery Group, 100/17 mod. 1914 howitzers
**** III/21st Artillery Group, 75/27 mod. 11 field guns
**** 2 × batteries 65/17 mod. 13 mountain guns
**** 202nd CC.NN. Anti-Tank Company, 47/32 mod. 1935 anti-tank guns
** '''[[64th Infantry Division "Catanzaro"]]''', at [[Alam Salamus]] (General [[Giuseppe Amico]])
*** [[141st Infantry Regiment "Catanzaro"]], 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns 1 × company, 81&nbsp;mm mortars
*** 142nd Infantry Regiment, 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns 1 × company, 81&nbsp;mm mortars
*** 203rd Artillery Regiment, 2 × groups 75/27 mod. 11 field guns 1 × group, 100/17 mod. 1914 howitzers
*** LXIV Machine-Gun Battalion
*** LXIV Mixed Engineer Battalion
*** 64th Anti-Tank Company, 47/32 mod. 1935 anti-tank guns
** '''[[Maletti Group]]''', at [[Alam Nibeiwa]] and [[Alam el Iktufa]] (General [[Pietro Maletti]], KIA 9 December 1940)
*** I, V, XVII, XIX Libyan infantry battalions
*** I [[Auto-Saharan Company|Auto-Saharan Battalion]]
*** II Tank Battalion M11/39, [[4th Tank Infantry Regiment]] 37 × [[M11/39]] tanks
*** 1 × group, 65/17 mod. 13 mountain guns
*** 1 × group, 75/27 mod. 11 field guns
*** 2 × anti-tank companies 47/32 mod. 1935 anti-tank guns
*** 1 × company, 81&nbsp;mm mortars
*** 1 × battery, 105/28 howitzers

==== XXIII Corps ====
* '''[[XXIII Army Corps (Italy)|XXIII Corps]]''', HQ [[Sollum]], General [[Annibale Bergonzoli]]
** '''[[1st CC.NN. Division "23 Marzo"]]''', [[Bardia]] (General Francesco Antonelli)
*** 219th CC.NN. Legion, 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns 1 × company, 81&nbsp;mm mortars
*** 233rd CC.NN. Legion, 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns 1 × company, 81&nbsp;mm mortars
*** 201st CC.NN. Artillery Regiment, 2 × groups 75/27 mod. 11 field guns 1 × group, 100/17 mod. 1914 howitzers
*** CCI CC.NN. Machine-Gun Battalion
*** CCI CC.NN. Mixed Engineer Battalion
*** 201st CC.NN. Anti-Tank Company, 47/32 mod. 1935 anti-tank guns
*** Attached units
**** LXI Tank Battalion L, L3/35 tankettes
** '''[[2nd CC.NN. Division "28 Ottobre"]]''', at [[Sollum]] and [[Halfaya Pass]] (General Francesco Argentino)
*** 231st CC.NN. Legion, 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns, 1 × company, 81 mm mortars
*** 238th CC.NN. Legion, 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns 1 × company, 81 mm mortars
*** 202nd CC.NN. Artillery Regiment, 1 × group, 100/17 mod. 1914 howitzers 2 × groups detached
*** CCII CC.NN. Machine-Gun Battalion
*** CCII CC.NN. Mixed Engineer Battalion
** '''[[62nd Infantry Division "Marmarica"]]''', at [[Sidi Omar]] and [[Gabr du Fares]] (General [[Ruggero Tracchia]])
*** 115th Infantry Regiment, 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns 1 × company, 81 mm mortars
*** 116th Infantry Regiment, 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns, 1 × company, 81 mm mortars
*** 44th Artillery Regiment, 2 × groups 75/27 mod. 11 field guns, 1 × group, 100/17 mod. 1914 howitzers
*** LXII Machine-Gun Battalion
*** LXII Mixed Engineer Battalion
*** 62nd Anti-Tank Company, 47/32 mod. 1935 anti-tank guns
*** Attached units:
**** [[LXII Tank Battalion L]], L3/35 tankettes
**** 2 × batteries 65/17 mod. 13 mountain guns
**** 2 × anti-tank companies 47/32 mod. 1935 anti-tank guns

==== XXII Army Corps (Reserve) ====
* '''[[XXII Army Corps (Italy)|XXII Corps]]''', headquarters in [[Tobruk]] General [[Enrico Pitassi Mannella]]{{sfn|Montanari|1990|pp=612–613}}
** '''[[61st Infantry Division "Sirte"]]''', at [[Kambut|Gambut]] (General Vincenzo della Mura)
*** 69th Infantry Regiment, 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns
*** 70th Infantry Regiment, 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns
*** 43rd Artillery Regiment, 2 × groups 75/27 mod. 11 field guns, 1 × group, 100/17 mod. 1914 howitzers
*** LXI Mixed Engineer Battalion
*** Attached units:
**** [[Ascari del Cielo|I Libyan Paratroopers Battalion "Diavoli neri"]]
**** II Paratroopers Battalion {{lang|it|"Fanti dell'aria"}}
** '''Artillery Command'''
*** 10th Army Corps Artillery Regiment
*** 20th Army Corps Artillery Regiment
** '''[[Babini Group]]''' at [[Marsa Lucch]] (General [[Valentino Babini]])
*** I Tank Battalion M11/39, [[4th Tank Infantry Regiment]], 37 × M11/39 tanks
*** [[III Tank Battalion M13/40]], [[32nd Tank Infantry Regiment]], 37 × [[M13/40]] tanks
*** XXI Tank Battalion L, L3/35 tankettes (disbanded at Tobruk late in December 1940, personnel used to raise the XXI Tank Battalion M13/40 at Benghazi in January 1941)
*** [[LX Tank Battalion L]], L3/35 tankettes
*** 1 × Bersaglieri motorcycle battalion
*** 1 × group, 75/27 mod. 11 field guns
*** 1 × group, 100/17 mod. 1914 howitzers

==== Cyrenaica military garrisons ====
* [[Tobruk]]{{sfn|Montanari|1990|p=611}}
** [[Royal Italian Army]]:
*** XXI Libyan Coastal Battalion
*** 2 × mixed engineer units
*** 2 × anti-aircraft groups, [[Breda Model 35|20/65 mod. 35]] anti-aircraft guns
** [[Royal Italian Navy]]
*** cruiser {{ship|Italian cruiser|San Giorgio||2}}
*** 10 × coastal batteries
** {{lang|it|[[Guardia alla Frontiera]]}}
*** Infantry: 2,300 men
*** Artillery: 2 × groups
* [[Bardia]]
** Royal Italian Army:
*** 1 × fortification machine-gun squadrons group
*** 3 × anti-tank companies, 47/32 mod. 1935 anti-tank guns
*** V Coastal Fortification Group
*** XVII Group, 75/27 mod. 11 field guns
*** 2 × batteries 75/27 mod. 11 field guns
** {{lang|it|Guardia alla Frontiera}}
*** Infantry: 2,500 men
*** Artillery: 17 × batteries
* [[Giarabub]]
** Royal Italian Army
*** 1 × motorised Libyan machine-gun company
*** 1 × fusiliers company
*** 4 × Libyan fortification machine-gun companies
*** 1 × section, 2 × 65/17 mod. 13 mountain guns
*** 1 × platoon, 4 × 20/65 mod. 35 anti-aircraft guns
*** 1/2 × anti-tank company, 6 × 47/32 mod. 1935 anti-tank guns

==== Libyan Sahara garrisons ====
* '''[[Kufra]] Oasis'''{{sfn|Montanari|1990|p=612}}
** 2 × Libyan fortification machine-gun companies
** 1 × [[Auto-Saharan Company]]
** 1 × Auto-Saharan Company, 20/65 mod. 35 anti-aircraft guns
* '''[[Jalu]] Oasis'''
** 1 × machine-gun battalion
** 1 × Libyan reserve battalion
** 1 × Auto-Saharan Company
** 1 × anti-tank company, 47/32 mod. 1935 anti-tank guns
** 1 × battery, 20/65 mod. 35 anti-aircraft guns

The 10th Army in Egypt consisted of 80,000 troops, 250 guns and 125 tanks.{{sfn|Christie|1999|p=86}}

==== Reinforcements ====
These reinforcements reached the 10th Army after the start of Operation Compass (data taken from Montanari, 1990).{{sfn|Montanari|1990|pp=330–332}}
* '''[[60th Infantry Division "Sabratha"]]''', took up positions at [[Derna, Libya|Derna]] (General Guido Della Bona)
** [[85th Infantry Regiment "Sabratha"]], 3 × battalions, 1 × battery, 65/17 mod. 13 mountain guns, 1 × company, 81&nbsp;mm mortars
** 86th Infantry Regiment, 3 × battalions, 1 × company, 81&nbsp;mm mortars
** 42nd Artillery Regiment, 2 × groups 75/27 mod. 11 field guns
** LXIV Machine-Gun Battalion
** LXIV Mixed Engineer Battalion
** Attached units
*** 60th Bersaglieri Motorcycle Company
*** XVIII Libyan Infantry Battalion
*** 1 × machine-gun battalion
*** 1 × group, 75/27 mod. 11 field guns
*** 3 × anti-tank companies 47/32 mod. 1935 anti-tank guns
*** 6 × batteries 65/17 mod. 13 mountain guns
*** 4 × batteries 20/65 mod. 35 anti-aircraft guns
*** 1 × chemical company
* '''Bignami Column''', took up positions at [[Mechili]] (General Mario Bignami, organised 22 January 1940)
** 10th Artillery Regiment, 1 × group, 75/27 mod. 11 field guns (from [[25th Infantry Division "Bologna"]])
** [[VI Tank Battalion M13/40]], [[33rd Tank Infantry Regiment]], 37 × M13/40 tanks
** XXI Tank Battalion M13/40, 37 × M13/40 tanks (Raised with personnel from the disbanded XXI Tank Battalion L in January 1941)
** XXV Motorised Machine Gun Battalion (from the 25th Infantry Division "Bologna")
** XXVII Motorised Machine Gun Battalion (from the [[27th Infantry Division "Brescia"]])
* [[10th Bersaglieri Regiment]]
** XVI, XXXIV, XXXV Bersaglieri battalions
** 1 × battery, 65/17 mod. 13 mountain guns
** 1 × company, 81&nbsp;mm mortars
* [[V Tank Battalion M13/40]], [[32nd Tank Infantry Regiment]], 37 × [[M13/40]] tanks, joined the [[Babini Group]] (Special Armoured Brigade)
* VII Anti-aircraft Group, [[Cannone da 75/46 C.A. modello 34|75/46 mod. 34]] anti-aircraft guns