This is the complete order of battle of Allied and Japanese forces during the Borneo Campaign of 1945. As the campaign was fought in three geographically separate areas and the same air and naval units supported more than one of these battles the order of battle is split into the three areas.
General Headquarters South West Pacific Area
Allied Land Forces
Australian I Corps
Australian 7th Division
Australian 9th Division
Allied Air Forces
Advanced RAAF Command
Australian First Tactical Air Force
United States Thirteenth Air Force
Allied Naval Forces
Seventh Amphibious Force
Amphibious Group Six
Southern Expeditionary Army Group (Saigon)
Japanese Seventh Area Army
Japanese 37th Army
56th Independent Mixed Brigade (Brunei)
71st Independent Mixed Brigade (Kuching)
25th Independent Mixed Regiment (North Borneo)
455th Independent Infantry Battalion (Balikpapan)
553rd Independent Infantry Battalion (Miri)
554th Independent Infantry Battalion (Sandakan)
774th Independent Infantry Battalion (Tenom)
Army-Navy Headquarters Tarakan
22nd Special Naval Base Force (Balikpapan)
Japanese 3rd Air Army (Singapore)
Japanese 10th Independent Flying Brigade
83rd Flying Regiment
26th Brigade Group (detached from Australian 9th Division)2/23rd Infantry Battalion
2/24th Infantry Battalion
2/48th Infantry Battalion
2/3rd Pioneer Battalion (fought as infantry)
2/4th Cavalry Commando Squadron
C Squadron, 2/9th Armoured Regiment (Matilda II tanks)
D Company, 2/2nd Machine Gun Battalion
2/7th Field Regiment (25 pounder guns)
53rd Composite Anti-Aircraft Regiment
2/13th Field Company
2nd Field Company
2/12th Field Ambulance
2 Beach Group
2/2nd Pioneer Battalion
Other units:
2/11th Field Company
2 Beach Workshop
'B' Royal Australian Navy Commando
2nd Australian Army Medical Corps Company
Royal Netherlands East Indies Army
2nd Company, 1st Battalion Netherlands East Indies Army [1]United States Army
Composite Company, 727th Amphibian Tractor Battalion
Company, 593rd Engineer Boat and Shore Battalion
No. 77 (Attack) Wing Royal Australian Air Force (RAAF)
No. 76 Squadron RAAF (Kittyhawk) (from 15 May)
No. 22 Squadron RAAF (Beaufighter) (from 4 June)
No. 30 Squadron RAAF (Beaufighter) (from 4 June)
No. 31 Squadron RAAF (Beaufighter)
No. 78 (Fighter) Wing RAAF
No. 75 Squadron RAAF (Kittyhawk)
No. 78 Squadron RAAF (Kittyhawk)
No. 80 Squadron RAAF (Kittyhawk)
No. 452 Squadron RAAF (Spitfire)
No. 82 (Bomber) Wing RAAF
No. 21 Squadron RAAF (B-24 Liberator)
No. 23 Squadron RAAF (B-24)
No. 24 Squadron RAAF (B-24)
18th Fighter Group USAAF (Mindoro Is., Zamboanga from 4 May)
12th Fighter Squadron (P-38)
44th Fighter Squadron (P-38)
70th Fighter Squadron (P-38)
347th Fighter Group USAAF (Palawan Is.)
67th Fighter Squadron (P-38)
68th Fighter Squadron (P-38)
339th Fighter Squadron (P-38)
42d Bombardment Group USAAF (Palawan Is.)
69th Bombardment Squadron (B-25)
70th Bombardment Squadron (B-25)
75th Bombardment Squadron (B-25)
100th Bombardment Squadron (B-25)
390th Bombardment Squadron (B-25)
5th Bombardment Group USAAF (Samar Is.)
23d Bombardment Squadron (B-24)
31st Bombardment Squadron (B-24)
72d Bombardment Squadron (B-24)
394th Bombardment Squadron (B-24)
307th Bombardment Group USAAF (Morotai Is.)
370th Bombardment Squadron (B-24)
371st Bombardment Squadron (B-24)
372nd Bombardment Squadron (B-24)
424th Bombardment Squadron (B-24)
868th Bombardment Squadron USAAF (LAB-24)
Fleet Air Wing 17 US Navy (Palawan Is.)
Patrol Bombing Squadron 128 (VPB-128) (PV-1 Ventura)
Patrol Bombing Squadron 106 (VPB-106) (PB4Y-2 Privateer) (from 3 May)
Patrol Bombing Squadron 111 (VPB-111) (PB4Y-2 Privateer)
Patrol Bombing Squadron 109 (VPB-109) (PB4Y-2 Privateer with Bat Bombs) (until 6 May)
RAAF ground units on Tarakan during the campaign
No. 16 Air Observation Post Flight (4 Auster light aircraft)
No. 61 Operational Base Unit
No. 61 Airfield Construction Wing
No. 1 Airfield Construction Squadron
No. 8 Airfield Construction Squadron
No. 2 Aerodrome Security Squadron
No. 114 Mobile Fighter Control Unit
Covering Group 74.3
Light cruisers: USS Phoenix, USS Boise, HMAS Hobart
Destroyers: USS Taylor, USS Nicholas, USS O’Bannon, USS Fletcher, USS Jenkins, HMAS Warramunga
Attack Group 78.1:
Flagship: USS Rocky Mount
Landing ships: 2 LSI (HMAS Manoora and HMAS Westralia), 1 AKA (USS Titania), 1 LSD (USS Rushmore), 21 LST, 12 LCI, 4 LSM, 12 LCT
Support: 6 LCS, 4 LCI(R), 2 LCI(M), 2 LCI(D) with four demolition units
Screen: Destroyers: US Ships Waller, Bailey, Bancroft, Philip, Drayton, Smith, Caldwell; Frigates: HMAS Burdekin, Barcoo, Hawkesbury; Destroyer escorts: USS Formoe, Charles E. Brannon; 1 Motor Torpedo Boat (MTB) tender (USS Wachapreague), 21 MTBs
Landing craft control unit: 1 PC, 1 LCI(L), 2 LCS
Minesweeping unit: 1 APD, 11 YMS
Service unit: 1 AGS, 1 AN, 1 ATR, 1 ATO, 4 LCI(L) equipped for fire fighting and salvage
Army-Navy Headquarters
455th Independent Infantry Battalion
1 Company
2 Company
3 Company
4 Company
Machine Gun Company
2nd Naval Guard Force
1 Company
2 Company
Air Defence Unit
Australian 7th Division
2/7th Cavalry (Commando) Regiment
2/1st Pioneer Battalion
2/1st Machine Gun Battalion
B Company, 2/1st Guard Regiment (4 platoons)
Artillery
2/4 Field Regiment
2/5 Field Regiment
2/6 Field Regiment
2/2 Tank Attack Regiment
Engineers
2/4 Field Company
2/5 Field Company
2/6 Field Company
2/9 Field Company
2/25 Field Park Company
18th Infantry Brigade
2/9 Battalion
2/10 Battalion
2/12 Battalion
21st Infantry Brigade
2/14 Battalion
2/16 Battalion
2/27 Battalion
25th Infantry Brigade
2/25 Battalion
2/31 Battalion
2/33 Battalion
I Australian Corps units allocated to the 7th Australian Division:
1st Armoured Regiment
2/1st Armoured Brigade Reconnaissance Squadron (-)
2/1st Composite AA Regiment
2 Beach Group
2/2 Pioneer Battalion
2/11 Field Company
Royal Netherlands East Indies Army
1 Company, 1st NEI Battalion
United States Army
727th Amphibian Tractor Battalion (less one company)
Company, 672nd Amphibian Tractor Battalion
Boat company, Boat Battalion, 593rd Engineer Boat and Shore Regiment
Royal Australian Air Force
No. 19 Wing
No. 2 Squadron (B-25)
No. 18 (NEI) Squadron (B-25)
No. 78 Wing (from June 30)
No. 75 Squadron (P-40)
No. 78 Squadron (P-40)
No. 80 Squadron (P-40)
No. 452 Squadron (Spitfire)
No. 82 Wing
No. 21 Squadron (B-24)
No. 23 Squadron (B-24)
No. 24 Squadron (B-24)
Detachment, 83 (Army Co-Operation) Wing
Detachment, No. 4 (Tactical Reconnaissance) Squadron (Wirraway and Boomerang
Detachment, No. 16 Air Observation Post Flight
Detachment, 9 Local Air Supply Unit
No. 54 Squadron RAF (Spitfire)
United States Army Air Forces
13th Air Force
42nd Bombardment Group (Medium) (B-25)
69, 70, 75, 100, 390 Bombardment Squadrons (Palawan Island)
5th Bombardment Group (Heavy) (B-24)
23, 31, 72, 394 Bombardment Squadrons (Samar Island)
307th Bombardment Group (Heavy) (B-24)
370, 371, 372, 424 Bombardment Squadrons (Morotai Island)
868 Bombardment Squadron (SB-24, LAB: Low Altitude radar Bomb.) flew maritime surveillance patrols
18th Fighter Group (P-38)
12, 44, 70 Fighter Squadrons (Zamboanga)
347th Fighter Group (P-38)
67, 68, 339 Fighter Squadrons (Palawan Island)
419 Night Fighter Squadron (P-61) (Zamboanga and Palawan)
4th Reconnaissance Group (F-5 and B-25)
17 Photographic Reconnaissance Squadron Det. (Palawan Island)
5th Air Force
22nd Bombardment Group (Heavy) (B-24)
38th Bombardment Group (Medium) (B-25)
90th Bombardment Group (Heavy) (B-24)
380th Bombardment Group (Heavy) (B-24)
United States Marine Corps
Marine Aircraft Group 2 (flying from the USN escort carriers)
VMF-512 (FG-1D)
VMTB-143 (TBM-3)
United States Navy
Fleet Air Wing 17 (Palawan Island)
Patrol Bombing Squadron 128 (VPB-128) (PV-1)
Patrol Bombing Squadron 106 (VPB-106) (PB4Y-2)
Patrol Bombing Squadron 111 (VPB-111) (PB4Y-2)
Navy Escort Carrier Group 40 (CVEG-40) on carrier Suwannee
Fighter Squadron 40 (VF-40) (F6F-5)
Torpedo Squadron 40 (VT-40) (TBM-3)
Attack Group 78.2
Transports: 1 AGC USS Wasatch, 1 CGC, 3 LSI (HMAS Manoora, HMAS Westralia, HMAS Kanimbla), 1 AKA (USS Titania), 1 LSD (USS Carter Hall), 5 APD, 1 LCF(F), 22 LSM, 35 LST, 16 LCI(L), 2 PC, 3 SC
Close Support: 10 LCS(L), 8 LCI(R), 6 LCI(R), 3 LCI(M)
Screen: 10 Destroyers (USS Robinson, Saufley, Waller, Philip, Bailey, Frazier, Flusser, Drayton, Conyngham, Smith), 5 Destroyer Escorts (USS Chaffee, L.E. Thomas, E.A.Howard, J. Rutherford, Key), 1 Frigate (HMAS Gascoyne)
Minesweeping Group: 1 APD, 5 AM, 12 YMS, 1 LSM
Service, Salvage and miscellaneous units
Covering Group 74.2
Heavy Cruiser: HMAS Shropshire (from 27 June)
Light Cruisers: US Ships Montpelier (from 15 June), Denver (from 15 June), Columbia (from 23 June), Cleveland (30 June – 1st? July), Phoenix (4–6 July), Nashville (4–6 July), HMAS Hobart (from 27 June), HNLMS Tromp (From 19 June)
Destroyers: 4 from 15 June, 7 from 27 June.
High Speed transport: USS Schmidt (from 23 June)
United States Navy Escort Carrier Group 78.4: (from 1–3 July)
Escort Carriers: US Ships Suwannee, Block Island, Gilbert Islands
Destroyers: USS Helm
Destroyer escorts: USS Mitchell, Donaldson, Cloues, Lamons and Kyne
8 USN PT boats arrived with the tender USS Mobjack on 27 June, and this force was expanded to two PT boat squadrons (10 and 27) on 6 July.
22nd Base Force
454th Independent Infantry Bn
