Borneo Campaign (1945) order of battle

Order of battle

In modern use, the order of battle is the identification, command structure, strength, and disposition of personnel, equipment, and units of an armed force participating in field operations. Various abbreviations are in use, including OOB, O/B, or OB, while ORBAT remains the most common in the...

of Allied

Allies of World War II

The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

and Japanese

Empire of Japan

The Empire of Japan is the name of the state of Japan that existed from the Meiji Restoration on 3 January 1868 to the enactment of the post-World War II Constitution of...

forces during the Borneo Campaign of 1945

Borneo campaign (1945)

The Borneo Campaign of 1945 was the last major Allied campaign in the South West Pacific Area, during World War II. In a series of amphibious assaults between 1 May and 21 July, the Australian I Corps, under General Leslie Morshead, attacked Japanese forces occupying the island. Allied naval and...

. 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.

Allied forces

General Headquarters South West Pacific Area
South West Pacific Area
South West Pacific Area was the name given to the Allied supreme military command in the South West Pacific Theatre of World War II. It was one of four major Allied commands in the Pacific theatres of World War II, during 1942–45...
- Allied Land Forces
  - Australian I Corps
    Australian I Corps
    I Corps of the Australian Army was its main frontline corps during World War II. Various Australian and other Allied divisions came under its control at different times. In 1940–42, the corps was based in the Mediterranean Theatre...
    - Australian 7th Division
      Australian 7th Division
      The 7th Division was an infantry division of the Australian Army. It was formed in February 1940 to serve in World War II, as part of the Second Australian Imperial Force...
    - Australian 9th Division
      Australian 9th Division
      The 9th Division was a division of the Australian Army that served during World War II. It was the fourth division of the Second Australian Imperial Force and was formed in the United Kingdom in late 1940 from infantry brigades and support units which had been previously raised in Australia and...
- Allied Air Forces
  - Advanced RAAF Command
    RAAF Command
    RAAF Command was the main operational arm of the Royal Australian Air Force during World War II. The command was established in September 1942 and by April 1943 comprised 27 squadrons, including units from the Netherlands, the United Kingdom and the United States, as well as Australia...
    - Australian First Tactical Air Force
      Australian First Tactical Air Force
      The Australian First Tactical Air Force was formed on 25 October 1944 by the Royal Australian Air Force . Its purpose was to provide a mobile force of fighter and ground attack aircraft that could support Allied army and naval units fighting the Empire of Japan in the South West Pacific Area...
    - United States Thirteenth Air Force
      Thirteenth Air Force
      The Thirteenth Air Force is a numbered air force of the United States Air Force Pacific Air Forces . It is headquartered at Hickam Air Force Base on the island of Oahu, Hawaii. 13 AF has never been stationed in the continental United States...
- Allied Naval Forces
  - Seventh Amphibious Force
    - Amphibious Group Six

Japanese forces

Southern Expeditionary Army Group
Southern Expeditionary Army Group
The was a army group of the Imperial Japanese Army during World War II. It was responsible for all military operations in South East Asian and South West Pacific campaigns of World War II....

(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

Ground forces

26th Brigade Group (detached from Australian 9th Division
Australian 9th Division
The 9th Division was a division of the Australian Army that served during World War II. It was the fourth division of the Second Australian Imperial Force and was formed in the United Kingdom in late 1940 from infantry brigades and support units which had been previously raised in Australia and...

)
- 2/23rd Infantry Battalion
- 2/24th Infantry Battalion
- 2/48th Infantry Battalion
- 2/3rd Pioneer Battalion (fought as infantry
  Infantry
  Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...
  
  )
- 2/4th Cavalry Commando Squadron
  2/4th Cavalry Commando Squadron (Australia)
  The 2/4th Commando Squadron was one of 12 independent companies and commando squadrons raised by the Australian Army during the Second World War. Raised in August 1941 it was disbanded not long after due to conceptual problems, however, it was quickly reformed following the entry of Japan into the...
- C Squadron, 2/9th Armoured Regiment
  2/9th Armoured Regiment (Australia)
  The 2/9th Armoured Regiment was an armoured regiment of the Australian Army. Raised for service during World War II, the regiment was formed in August 1941 and spent most of the war in Australia...
  
  (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
    Royal Australian Navy Beach Commandos
    During World War II the Royal Australian Navy formed beach commando units to go ashore with the first wave of amphibious assaults. They would conduct local reconnaissance, signpost the beaches, control boat traffic, and communicate with the maritime forces. These were known as Royal Australian...
  - 2nd Australian Army Medical Corps Company

Royal Netherlands East Indies Army

The Royal Netherlands East Indies Army was the military force maintained by the Netherlands in its colony of the Netherlands East Indies . The KNIL's air arm was the Royal Netherlands East Indies Army Air Force...

2nd Company, 1st Battalion Netherlands East Indies Army http://www.nederland-australie2006.nl/geschiedenis/au/html/bondgenoten_operaties4.html

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

Composite Company, 727th Amphibian Tractor Battalion
Company, 593rd Engineer Boat and Shore Battalion

Air units

No. 77 (Attack) Wing
No. 77 Wing RAAF
No. 77 Wing was a Royal Australian Air Force wing of World War II. The unit formed part of No. 10 Operational Group at its establishment in November 1943, when it comprised three squadrons equipped with A-31 Vengeance dive bombers. No. 77 Wing commenced operations in early 1944, flying...

Royal Australian Air Force
Royal Australian Air Force
The Royal Australian Air Force is the air force branch of the Australian Defence Force. The RAAF was formed in March 1921. It continues the traditions of the Australian Flying Corps , which was formed on 22 October 1912. The RAAF has taken part in many of the 20th century's major conflicts...

(RAAF)
- No. 76 Squadron RAAF
  No. 76 Squadron RAAF
  No. 76 Squadron is a Royal Australian Air Force flight training squadron. Established in 1942, the squadron operated P-40 Kittyhawk fighter aircraft and saw combat during World War II. Following the war it formed part of Australia's contribution to the occupation of Japan until it was...
  
  (Kittyhawk) (from 15 May)
- No. 22 Squadron RAAF
  No. 22 Squadron RAAF
  No. 22 Squadron is a Royal Australian Air Force mixed regular and reserve squadron that provides support for the RAAF in the Sydney region. Formed in 1936, the squadron served in Papua New Guinea during the Second World War, and later followed the Pacific war as far as the Philippines...
  
  (Beaufighter) (from 4 June)
- No. 30 Squadron RAAF
  No. 30 Squadron RAAF
  No. 30 Squadron is a squadron of the Royal Australian Air Force . Raised in 1942 as a fighter unit, the Squadron saw action in the Second World War and later served in the target towing and surface-to-air missile roles. After a long period of disbandment lasting from the late 1960s, No...
  
  (Beaufighter) (from 4 June)
- No. 31 Squadron RAAF
  No. 31 Squadron RAAF
  No. 31 Squadron is a Royal Australian Air Force airbase support squadron re-raised in July 2010. The Squadron was first formed in August 1942 and was disbanded in July 1946 after seeing action in the South West Pacific Theatre of World War II.-History:No...
  
  (Beaufighter)

No. 78 (Fighter) Wing RAAF
No. 78 Wing RAAF
No. 78 Wing is the Royal Australian Air Force's operational training wing. It is headquartered at RAAF Base Williamtown, New South Wales, and operates the BAE Hawk 127 lead-in fighter. The wing was formed in 1943 and operated P-40 Kittyhawk fighters in the South West Pacific theatre of World War II...
- No. 75 Squadron RAAF
  No. 75 Squadron RAAF
  No. 75 Squadron is a Royal Australian Air Force fighter unit based at RAAF Base Tindal in the Northern Territory. The squadron was formed in 1942 and saw extensive action in the South West Pacific theatre of World War II, operating P-40 Kittyhawks. It was disbanded in 1948, but reformed the...
  
  (Kittyhawk)
- No. 78 Squadron RAAF
  No. 78 Squadron RAAF
  No. 78 Squadron was a Royal Australian Air Force fighter squadron of World War II. The Squadron was formed in July 1943 and was disbanded in April 1948 after seeing action in the South West Pacific.-History:...
  
  (Kittyhawk)
- No. 80 Squadron RAAF
  No. 80 Squadron RAAF
  No. 80 Squadron was a Royal Australian Air Force fighter squadron of World War II. The squadron was formed in September 1943 and was disbanded in July 1946 after seeing action in the South West Pacific Theatre of the war.-History:...
  
  (Kittyhawk)
- No. 452 Squadron RAAF
  No. 452 Squadron RAAF
  No. 452 Squadron is a Royal Australian Air Force air traffic control unit. It was originally formed in 1941 fighter unit formed in accordance with Article XV of the Empire Air Training Scheme during World War II, in England. The squadron flew Supermarine Spitfires for the entire war, initially over...
  
  (Spitfire
  Supermarine Spitfire
  The Supermarine Spitfire is a British single-seat fighter aircraft that was used by the Royal Air Force and many other Allied countries throughout the Second World War. The Spitfire continued to be used as a front line fighter and in secondary roles into the 1950s...
  
  )

No. 82 (Bomber) Wing RAAF
No. 82 Wing RAAF
No. 82 Wing is the Royal Australian Air Force's strike and reconnaissance wing. It is headquartered at RAAF Base Amberley, Queensland, and operates the F/A-18F Super Hornet multirole fighter and Pilatus PC-9 forward air control aircraft. The wing was formed in August 1944, flying B-24 Liberator...
- No. 21 Squadron RAAF
  No. 21 Squadron RAAF
  No. 21 Squadron is a Royal Australian Air Force general reserve squadron. It saw action as a fighter, dive bomber and heavy bomber unit during World War II.-History:...
  
  (B-24 Liberator)
- No. 23 Squadron RAAF
  No. 23 Squadron RAAF
  No. 23 Squadron of the Royal Australian Air Force is a non-flying base operations and training squadron headquartered at RAAF Base Amberley near Brisbane, Queensland. The Squadron was formed in 1937 and saw action during World War II as a bomber squadron.-History:No...
  
  (B-24)
- No. 24 Squadron RAAF
  No. 24 Squadron RAAF
  No. 24 Squadron is a Royal Australian Air Force squadron. The Squadron was formed in 1940 and saw action as a bomber squadron during World War II. Since the end of the war the Squadron has been an RAAF Reserve squadron located near Adelaide, South Australia....
  
  (B-24)

18th Fighter Group USAAF
United States Army Air Forces
The United States Army Air Forces was the military aviation arm of the United States of America during and immediately after World War II, and the direct predecessor of the United States Air Force....

(Mindoro
Mindoro
Mindoro is the seventh-largest island in the Philippines. It is located off the coast of Luzon, and northeast of Palawan. The southern coast of Mindoro forms the northeastern extremum of the Sulu Sea.-History:...

Is., Zamboanga
Zamboanga Peninsula
Zamboanga Peninsula / Western Mindanao is a peninsula and an administrative region in the Philippines. Designated as Region IX, the region consists of three provinces, namely, Zamboanga del Norte, Zamboanga del Sur, and Zamboanga Sibugay, its component cities of Dipolog, Dapitan, Pagadian, and...

from 4 May)
- 12th Fighter Squadron
  12th Fighter Squadron
  The 12th Fighter Squadron was part of the 3d Wing at Elmendorf Air Force Base, Alaska until its decommission in September 2006. The squadron operated the F-15 Eagle aircraft conducting air superiority missions.-Mission:...
  
  (P-38)
- 44th Fighter Squadron
  44th Fighter Squadron
  The 44th Fighter Squadron is part of the 18th Wing at Kadena Air Base, Japan.-Mission:The 44 FS operates operates the F-15 Eagle aircraft conducting air superiority missions.-History:...
  
  (P-38)
- 70th Fighter Squadron
  70th Fighter Squadron
  The 70th Fighter Squadron was most recently part of the 347th Wing at Moody Air Force Base, Georgia. It operated OA-10 Thunderbolt aircraft conducting air superiority missions.-History:...
  
  (P-38)

347th Fighter Group USAAF (Palawan
Palawan
Palawan is an island province of the Philippines located in the MIMAROPA region or Region 4. Its capital is Puerto Princesa City, and it is the largest province in the country in terms of total area of jurisdiction. The islands of Palawan stretch from Mindoro in the northeast to Borneo in the...

Is.)
- 67th Fighter Squadron
  67th Fighter Squadron
  The 67th Fighter Squadron "Fighting Cocks" are part of the 18th Operations Group at Kadena Air Base, Japan.-Mission:The 67th Fighter Squadron is one of two F-15 Eagle squadrons in the Asian-Western Pacific area of operations, conducting air superiority missions.-World War II:Continually active...
  
  (P-38)
- 68th Fighter Squadron
  68th Fighter Squadron
  The 68th Fighter Squadron was one of the most long-serving Fighter Squadrons in U.S. Air Force history, remaining activated almost continually for 60 years. Known as the "Lightning Lancers", the squadron pioneered radar interception while flying the P-61 Black Widow during World War II...
  
  (P-38)
- 339th Fighter Squadron (P-38)

42nd Bombardment Group USAAF (Palawan Is.)
- 69th Bombardment Squadron (B-25)
- 70th Bombardment Squadron (B-25)
- 75th Bombardment Squadron
  75th Bombardment Squadron
  The 75th Bombardment Squadron is an inactive United States Air Force unit. Its last was assigned to the 4039th Strategic Wing, stationed at Griffiss Air Force Base, New York. It was inactivated on 1 February 1963.-History:...
  
  (B-25)
- 100th Bombardment Squadron (B-25)
- 390th Bombardment Squadron
  390th Bombardment Squadron
  The 390th Bombardment Squadron is an inactive United States Air Force unit. Its last was assigned to the 42d Bombardment Group, stationed at Puerto Princesa Airfield, Palawan, Philippines Commonwealth...
  
  (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
307th Bombardment Group
The 307th Air Refueling Group is an inactive United States Air Force unit. It was last assigned to the 47th Air Division, stationed at Travis Air Force Base, California...

USAAF (Morotai
Morotai
Morotai Island Regency is a regency of North Maluku province, Indonesia, located on Morotai Island. The population was 54,876 in 2007.-History:...

Is.)
- 370th Bombardment Squadron (B-24)
- 371st Bombardment Squadron
  371st Bombardment Squadron
  The 371st Bombardment Squadron is an inactive United States Air Force unit. Its last assignment was with the 307th Bombardment Wing, based at Lincoln AFB, Nebraska. It was deactivated on 25 March 1965-History:...
  
  (B-24)
- 372nd Bombardment Squadron (B-24)
- 424th Bombardment Squadron
  424th Bombardment Squadron
  The 424th Bombardment Squadron is an inactive United States Air Force unit. Its last assignment was with the 307th Bombardment Wing, based at Lincoln AFB, Nebraska. It was inactivated on 1 January 1962.-History:...
  
  (B-24)

868th 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
  PB4Y Privateer
  The Consolidated PB4Y-2 Privateer was a World War II and Korean War era patrol bomber of the United States Navy derived from the Consolidated B-24 Liberator. The Navy had been using unmodified B-24s as the PB4Y-1 Liberator, and the type was considered very successful...
  
  ) (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
  No. 16 Air Observation Post Flight RAAF
  No. 16 Air Observation Post Flight was a Royal Australian Air Force unit which saw action in the Second World War.No. 16 Air Observation Post Flight was formed at Lae in New Guinea on 20 October 1944. Operating four Auster light aircraft the Flight initially supported the Australian Army units on...
  
  (4 Auster
  Auster
  Auster Aircraft Limited was a British aircraft manufacturer from 1938 to 1961.-History:The company began in 1938 at the Britannia Works, Thurmaston near Leicester, England, as Taylorcraft Aeroplanes Limited, making light observation aircraft designed by the Taylorcraft Aircraft Corporation of...
  
  light aircraft)
- No. 61 Operational Base Unit
- No. 61 Airfield Construction Wing
  No. 61 Wing RAAF
  No. 61 Wing was a Royal Australian Air Force airfield construction wing of World War II. The wing was formed in January 1943 and was disbanded in November 1945. During the war No...
  - No. 1 Airfield Construction Squadron
  - No. 8 Airfield Construction Squadron
- No. 2 Aerodrome Security Squadron
  Airfield Defence Guards
  The Airfield Defence Guard mustering of the Royal Australian Air Force performs specialist ground defence tasks to protect air power assets from hostile ground action. The mustering is composed of non-commissioned members, commonly called 'ADGies,' most of whom are employed within an Airfield...
- No. 114 Mobile Fighter Control Unit
  No. 114 Mobile Control and Reporting Unit RAAF
  No. 114 Mobile Control and Reporting Unit is a Royal Australian Air Force radar unit. 114 MCRU is currently the RAAF's only easily deployable radar unit and regularly deploys into the field from its home base at RAAF Base Darwin during military exercises.-History:114MCRU was formed as 14 Fighter...

Naval units

Covering Group 74.3
- Light cruiser
  Light cruiser
  A light cruiser is a type of small- or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck...
  
  s: USS Phoenix
  USS Phoenix (CL-46)
  USS Phoenix , a Brooklyn-class light cruiser, was the third Phoenix of the United States Navy. After World War II the ship was transferred to Argentina in 1951 and was ultimately renamed the General Belgrano. General Belgrano was sunk during the Falklands War in 1982 by the British nuclear-powered...
  
  , USS Boise
  USS Boise (CL-47)
  USS Boise was a United States Navy Brooklyn-class light cruiser. The cruiser was named for Boise, the capital city of the state of Idaho....
  
  , HMAS Hobart
  HMAS Hobart (1939)
  HMAS Hobart was a Modified Leander class light cruiser which served in the Royal Australian Navy during World War II. Originally constructed for the Royal Navy as HMS Apollo, the ship entered service in 1936, and was sold to Australia two years later...
- Destroyer
  Destroyer
  In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...
  
  s: USS Taylor
  USS Taylor (DD-468)
  USS Taylor was a Fletcher-class destroyer of the United States Navy, named for Rear Admiral William Rogers Taylor . She was laid down on 28 August 1941 at Bath, Maine, by the Bath Iron Works Corp.; launched on 7 June 1942, sponsored by Mrs. H. A...
  
  , USS Nicholas
  USS Nicholas (DD-449)
  USS Nicholas was a Fletcher-class destroyer of the United States Navy, which served through most of World War II, and for 27 years and two more wars after. She was the second Navy ship to be named for Major Samuel Nicholas....
  
  , USS O’Bannon
  USS O'Bannon (DD-450)
  USS O'Bannon , a Fletcher-class destroyer, was the second ship of the United States Navy to be named for Lieutenant Presley O'Bannon , the Marine Corps's "hero of Derna"....
  
  , USS Fletcher
  USS Fletcher (DD-445)
  USS Fletcher , named for Admiral Frank Friday Fletcher, was the lead Fletcher-class destroyer, and served in the Pacific during World War II. She received fifteen battle stars for World War II service, and five for Korean War service....
  
  , USS Jenkins
  USS Jenkins (DD-447)
  USS Jenkins was a World War II-era in the service of the United States Navy, the second ship named after Rear Admiral Thornton A. Jenkins....
  
  , HMAS Warramunga
  HMAS Warramunga (I44)
  HMAS Warramunga was a Tribal class destroyer of the Royal Australian Navy . Built during World War II, the destroyer entered service in late 1942...

Attack Group 78.1:
- Flagship: USS Rocky Mount
- Landing ships: 2 LSI (HMAS Manoora
  HMAS Manoora (1935)
  HMAS Manoora was a motor vessel laid down for the Adelaide Steamship Company by Alex Stephen and Son at Govan in Scotland in July 1934, launched on 25 October 1935 and completed in 1935....
  
  and HMAS Westralia
  HMAS Westralia (1939)
  HMAS Westralia was an auxiliary cruiser of the Royal Australian Navy .-Construction and acquisition:Westralia was built at the Harland and Wolff shipyard in Glasgow for the Huddart Parker company as a twin screw motor vessel, being completed in 1929. Westralia was requisitioned for war service by...
  
  ), 1 AKA (USS Titania
  USS Titania (AKA-13)
  USS Titania was an named after Titania, one of the moons of the planet Uranus. She served as a commissioned ship for 13 years, beginning in 1942.- Launch and training exercises :...
  
  ), 1 LSD (USS Rushmore
  USS Rushmore (LSD-14)
  USS Rushmore was a Casa Grande-class dock landing ship of the United States Navy.She was the named in honor of Mount Rushmore National Memorial in the Black Hills of South Dakota....
  
  ), 21 LST
  Tank landing ship
  Landing Ship, Tank was the military designation for naval vessels created during World War II to support amphibious operations by carrying significant quantities of vehicles, cargo, and landing troops directly onto an unimproved shore....
  
  , 12 LCI, 4 LSM, 12 LCT
  Landing craft tank
  The Landing Craft, Tank was an amphibious assault ship for landing tanks on beachheads. They were initially developed by the British Royal Navy and later by the United States Navy during World War II in a series of versions. Initially known as the "Tank Landing Craft" by the British, they later...
- Support: 6 LCS, 4 LCI(R), 2 LCI(M), 2 LCI(D) with four demolition units
- Screen: Destroyers: US Ships Waller, Bailey
  USS Bailey (DD-492)
  USS Bailey was a Benson-class destroyer in the United States Navy during World War II. She was the third ship named for Admiral Theodorus Bailey....
  
  , Bancroft
  USS Bancroft (DD-598)
  USS Bancroft was a in the United States Navy during World War II. She was the third ship named for George Bancroft.Bancroft was launched 31 December 1941 by Bethlehem Steel Company, Quincy, Massachusetts; sponsored by Mrs. Hester Bancroft Berry, great-granddaughter of George Bancroft;...
  
  , Philip
  USS Philip (DD-498)
  USS Philip , a , was the second ship of the United States Navy to be named for Rear Admiral John W. Philip ....
  
  , Drayton
  USS Drayton (DD-366)
  USS Drayton was a Mahan-class destroyer in the United States Navy during World War II. She was the second ship named for Captain Percival Drayton....
  
  , Smith
  USS Smith (DD-378)
  The second USS Smith was a Mahan-class destroyer in the United States Navy during World War II. She was named for Lieutenant Joseph B. Smith, USN...
  
  , Caldwell
  USS Caldwell (DD-605)
  USS Caldwell was a in the United States Navy during World War II. She was named for James R. Caldwell.Caldwell was launched 15 January 1942 by Bethlehem Steel Corporation, San Francisco, California; sponsored by Miss A. Caldwell; and commissioned 10 June 1942, Lieutenant Commander J. F...
  
  ; Frigates: HMAS Burdekin, Barcoo, Hawkesbury
  HMAS Hawkesbury (K363)
  HMAS Hawkesbury was a River class frigate of the Royal Australian Navy . Hawkesbury saw action during World War II. She entered service with the RAN in mid-1944 and was decommissioned in 1955.-Construction:...
  
  ; Destroyer escorts: USS Formoe
  USS Formoe (DE-509)
  USS Formoe was a John C. Butler-class destroyer escort acquired by the U.S. Navy during World War II. The primary purpose of the destroyer escort was to escort and protect ships in convoy, in addition to other tasks as assigned, such as patrol or radar picket...
  
  , Charles E. Brannon
  USS Charles E. Brannon (DE-446)
  USS Charles E. Brannon was a John C. Butler-class destroyer escort acquired by the U.S. Navy during World War II. The primary purpose of the destroyer escort was to escort and protect ships in convoy, in addition to other tasks as assigned, such as patrol or radar picket. Post-war she proudly...
  
  ; 1 Motor Torpedo Boat (MTB) tender (USS Wachapreague
  USS Wachapreague (AGP-8)
  USS Wachapreague was a motor torpedo boat tender that served in the United States Navy from 1944 to 1946.-Construction and deployment:...
  
  ), 21 MTBs
  PT boat
  PT Boats were a variety of motor torpedo boat , a small, fast vessel used by the United States Navy in World War II to attack larger surface ships. The PT boat squadrons were nicknamed "the mosquito fleet". The Japanese called them "Devil Boats".The original pre–World War I torpedo boats were...
- 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

Japanese units

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

Ground forces

Australian 7th Division
Australian 7th Division
The 7th Division was an infantry division of the Australian Army. It was formed in February 1940 to serve in World War II, as part of the Second Australian Imperial Force...
- 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
  18th Brigade (Australia)
  The 18th Brigade was an infantry brigade of the Australian Army, which served during the Second World War. The brigade was raised on 13 October 1939 and was one of the first three infantry brigades of the Second Australian Imperial Force to be formed. Initially commanded by Brigadier Leslie...
  - 2/9 Battalion
  - 2/10 Battalion
  - 2/12 Battalion
- 21st Infantry Brigade
  21st Brigade (Australia)
  The 21st Brigade was a brigade-sized infantry unit of the Australian Army. Formed in April 1940 as part of the Second Australian Imperial Force, the unit was raised for service during World War II...
  - 2/14 Battalion
  - 2/16 Battalion
  - 2/27 Battalion
- 25th Infantry Brigade
  25th Brigade (Australia)
  The 25th Brigade was a brigade-sized infantry unit of the Australian Army that served during the Second World War. Raised in July 1940 and consisting of three infantry battalions, the 25th Brigade served in the United Kingdom, the Middle East, New Guinea and Borneo before being disbanded in...
  - 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 Amphibious Tractor Battalion (less one company)
- Company, 672nd Amphibious Tractor Battalion
- Boat company, Boat Battalion, 593rd Engineer Boat and Shore Regiment

Air units

Royal Australian Air Force

No. 19 Wing
- No. 2 Squadron
  No. 2 Squadron RAAF
  No. 2 Squadron is a Royal Australian Air Force squadron. From its formation in 1916, it has operated a variety of aircraft types including fighters, bombers, and Airborne Early Warning & Control.-World War I:No...
  
  (B-25)
- No. 18 (NEI) Squadron
  No. 18 (Netherlands East Indies) Squadron RAAF
  No. 18 Squadron was a joint Dutch and Australian bomber squadron of World War II.-History:No. 18 Squadron was formed at Canberra on 4 April 1942. Like the other two joint Australian-Dutch squadrons the Dutch authorities provided No. 18 Squadron's pilots and aircraft...
  
  (B-25)
No. 78 Wing
No. 78 Wing RAAF
No. 78 Wing is the Royal Australian Air Force's operational training wing. It is headquartered at RAAF Base Williamtown, New South Wales, and operates the BAE Hawk 127 lead-in fighter. The wing was formed in 1943 and operated P-40 Kittyhawk fighters in the South West Pacific theatre of World War II...

(from June 30)
- No. 75 Squadron
  No. 75 Squadron RAAF
  No. 75 Squadron is a Royal Australian Air Force fighter unit based at RAAF Base Tindal in the Northern Territory. The squadron was formed in 1942 and saw extensive action in the South West Pacific theatre of World War II, operating P-40 Kittyhawks. It was disbanded in 1948, but reformed the...
  
  (P-40)
- No. 78 Squadron
  No. 78 Squadron RAAF
  No. 78 Squadron was a Royal Australian Air Force fighter squadron of World War II. The Squadron was formed in July 1943 and was disbanded in April 1948 after seeing action in the South West Pacific.-History:...
  
  (P-40)
- No. 80 Squadron
  No. 80 Squadron RAAF
  No. 80 Squadron was a Royal Australian Air Force fighter squadron of World War II. The squadron was formed in September 1943 and was disbanded in July 1946 after seeing action in the South West Pacific Theatre of the war.-History:...
  
  (P-50)
- No. 452 Squadron
  No. 452 Squadron RAAF
  No. 452 Squadron is a Royal Australian Air Force air traffic control unit. It was originally formed in 1941 fighter unit formed in accordance with Article XV of the Empire Air Training Scheme during World War II, in England. The squadron flew Supermarine Spitfires for the entire war, initially over...
  
  (Spitfire
  Supermarine Spitfire
  The Supermarine Spitfire is a British single-seat fighter aircraft that was used by the Royal Air Force and many other Allied countries throughout the Second World War. The Spitfire continued to be used as a front line fighter and in secondary roles into the 1950s...
  
  )
No. 82 Wing
No. 82 Wing RAAF
No. 82 Wing is the Royal Australian Air Force's strike and reconnaissance wing. It is headquartered at RAAF Base Amberley, Queensland, and operates the F/A-18F Super Hornet multirole fighter and Pilatus PC-9 forward air control aircraft. The wing was formed in August 1944, flying B-24 Liberator...
- 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
  No. 4 Squadron RAAF
  No. 4 Squadron is a Royal Australian Air Force squadron responsible for training forward air controllers. The squadron was previously a fighter and army co-operation unit active in both World War I and World War II.-World War I:...
  
  (Wirraway
  CAC Wirraway
  The Wirraway was a training and general purpose military aircraft manufactured in Australia by the Commonwealth Aircraft Corporation between 1939 and 1946...
  
  and Boomerang
  CAC Boomerang
  The CAC Boomerang was a World War II fighter aircraft designed and manufactured in Australia between 1942 and 1945. The Commonwealth Aircraft Corporation produced Boomerangs under the production contract numbers CA-12, CA-13, CA-14 and CA-19, with aircraft supplied under each subsequent contract...
- Detachment, No. 16 Air Observation Post Flight
  No. 16 Air Observation Post Flight RAAF
  No. 16 Air Observation Post Flight was a Royal Australian Air Force unit which saw action in the Second World War.No. 16 Air Observation Post Flight was formed at Lae in New Guinea on 20 October 1944. Operating four Auster light aircraft the Flight initially supported the Australian Army units on...
- Detachment, 9 Local Air Supply Unit
No. 54 Squadron RAF (Spitfire)

United States Army Air Force

13th Air Force
Thirteenth Air Force
The Thirteenth Air Force is a numbered air force of the United States Air Force Pacific Air Forces . It is headquartered at Hickam Air Force Base on the island of Oahu, Hawaii. 13 AF has never been stationed in the continental United States...
- 42 (Medium) Bombardment Group (B-25)
  - 69, 70, 75, 100, 390 Bombardment Squadrons (Palawan
    Palawan
    Palawan is an island province of the Philippines located in the MIMAROPA region or Region 4. Its capital is Puerto Princesa City, and it is the largest province in the country in terms of total area of jurisdiction. The islands of Palawan stretch from Mindoro in the northeast to Borneo in the...
    
    Island)
- 5 (Heavy) Bombardment Group (B-24)
  - 23, 31, 72, 394 Bombardment Squadrons (Samar Island)
- 307 (Heavy) Bombardment Group (B-24)
  - 370, 371, 372, 424 Bombardment Squadrons (Morotai
    Morotai
    Morotai Island Regency is a regency of North Maluku province, Indonesia, located on Morotai Island. The population was 54,876 in 2007.-History:...
    
    Island)
- 868 Bombardment Squadron (SB-24, LAB: Low Altitude radar Bomb.) flew maritime surveillance patrols
- 18 Fighter Group (P-38)
  - 12, 44, 70 Fighter Squadrons (Zamboanga
    Zamboanga Peninsula
    Zamboanga Peninsula / Western Mindanao is a peninsula and an administrative region in the Philippines. Designated as Region IX, the region consists of three provinces, namely, Zamboanga del Norte, Zamboanga del Sur, and Zamboanga Sibugay, its component cities of Dipolog, Dapitan, Pagadian, and...
    
    )
- 347 Fighter Group (P-38)
  - 67, 68, 339 Fighter Squadrons (Palawan Island)
- 419 Night Fighter Squadron (P-61
  P-61 Black Widow
  The Northrop P-61 Black Widow was the first operational U.S. military aircraft designed specifically for night interception of aircraft, and was the first aircraft specifically designed to use radar. It was an all-metal, twin-engine, twin-boom design developed during World War II...
  
  ) (Zamboanga and Palawan)
- 4 Reconnaissance Group (F-5
  P-38 Lightning
  The Lockheed P-38 Lightning was a World War II American fighter aircraft built by Lockheed. Developed to a United States Army Air Corps requirement, the P-38 had distinctive twin booms and a single, central nacelle containing the cockpit and armament...
  
  and B-25)
  - 17 Photographic Reconnaissance Squadron Det. (Palawan Island)
5th Air Force
Fifth Air Force
The Fifth Air Force is a numbered air force of the United States Air Force Pacific Air Forces . It is headquartered at Yokota Air Base, Japan....
- 22 (Heavy) Bombardment Group (B-24)
- 38 (Medium) Bombardment Group (B-25)
- 90 (Heavy) Bombardment Group (B-24)
- 380 (Heavy) Bombardment Group (B-24)

United States Marine Corps

The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

Marine Aircraft Group 2 (flying from the USN escort carriers)
- - VMF-512 (FG-1D)
  - VMTB-143 (TBM-3)

United States Navy

The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

Fleet Air Wing 17 (Palawan Island)
- Patrol Bombing Squadron 128 (VPB-128) (PV-1
  Lockheed Ventura
  The Lockheed Ventura was a bomber and patrol aircraft of World War II, used by United States and British Commonwealth forces in several guises...
  
  )
- Patrol Bombing Squadron 106 (VPB-106) (PB4Y-2
  PB4Y Privateer
  The Consolidated PB4Y-2 Privateer was a World War II and Korean War era patrol bomber of the United States Navy derived from the Consolidated B-24 Liberator. The Navy had been using unmodified B-24s as the PB4Y-1 Liberator, and the type was considered very successful...
  
  )
- Patrol Bombing Squadron 111 (VPB-111) (PB4Y-2)
Navy Escort Carrier Group 40 (CVEG-40) on carrier Suwannee
- Fighting Squadron 40 (VF-40) (F6F-5
  F6F Hellcat
  The Grumman F6F Hellcat was a carrier-based fighter aircraft developed to replace the earlier F4F Wildcat in United States Navy service. Although the F6F resembled the Wildcat, it was a completely new design powered by a 2,000 hp Pratt & Whitney R-2800. Some tagged it as the "Wildcat's big...
  
  )
- Torpedo Squadron 40 (VT-40) (TBM-3)

Naval forces

Attack Group 78.2
- Transports: 1 AGC USS Wasatch, 1 CGC, 3 LSI (HMAS Manoora
  HMAS Manoora (1935)
  HMAS Manoora was a motor vessel laid down for the Adelaide Steamship Company by Alex Stephen and Son at Govan in Scotland in July 1934, launched on 25 October 1935 and completed in 1935....
  
  , HMAS Westralia
  HMAS Westralia (1939)
  HMAS Westralia was an auxiliary cruiser of the Royal Australian Navy .-Construction and acquisition:Westralia was built at the Harland and Wolff shipyard in Glasgow for the Huddart Parker company as a twin screw motor vessel, being completed in 1929. Westralia was requisitioned for war service by...
  
  , HMAS Kanimbla
  HMAS Kanimbla (1936)
  HMAS Kanimbla was a passenger ship converted for use as an armed merchant cruiser and landing ship infantry during World War II. Built during the mid-1930s as the passenger liner MV Kanimbla for McIlwraith McEachern Limited, the ship operated in Australian waters until 1939, when she was...
  
  ), 1 AKA (USS Titania
  USS Titania (AKA-13)
  USS Titania was an named after Titania, one of the moons of the planet Uranus. She served as a commissioned ship for 13 years, beginning in 1942.- Launch and training exercises :...
  
  ), 1 LSD (USS Carter Hall
  USS Carter Hall (LSD-3)
  USS Carter Hall was an in the United States Navy, named in honor of Carter Hall, the Millwood, Virginia estate of Lt.Col. Nathaniel Burwell ....
  
  ), 5 APD, 1 LCF(F), 22 LSM, 35 LST
  Tank landing ship
  Landing Ship, Tank was the military designation for naval vessels created during World War II to support amphibious operations by carrying significant quantities of vehicles, cargo, and landing troops directly onto an unimproved shore....
  
  , 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
  USS Robinson (DD-562)
  USS Robinson , a Fletcher-class destroyer, was the second ship of the United States Navy to be named for Captain Isaiah Robinson , who served in the Continental Navy....
  
  , Saufley
  USS Saufley (DD-465)
  USS Saufley , a Fletcher-class destroyer, was a ship of the United States Navy named for Lieutenant Richard Saufley....
  
  , Waller
  USS Waller (DD-466)
  USS Waller , a Fletcher-class destroyer, was a ship of the United States Navy named for Major General Littleton Waller, USMC ....
  
  , Philip
  USS Philip (DD-498)
  USS Philip , a , was the second ship of the United States Navy to be named for Rear Admiral John W. Philip ....
  
  , Bailey
  USS Bailey (DD-492)
  USS Bailey was a Benson-class destroyer in the United States Navy during World War II. She was the third ship named for Admiral Theodorus Bailey....
  
  , Frazier
  USS Frazier (DD-607)
  USS Frazier was a Benson-class destroyer in the United States Navy during World War II. She was named for Daniel Frazier.Frazier was launched 17 March 1942 by Bethlehem Steel Corporation, San Francisco, California; sponsored by Mrs...
  
  , Flusser
  USS Flusser (DD-368)
  The fourth USS Flusser was a Mahan-class destroyer in the United States Navy during World War II. She was named for Charles W. Flusser.-History:...
  
  , Drayton
  USS Drayton (DD-366)
  USS Drayton was a Mahan-class destroyer in the United States Navy during World War II. She was the second ship named for Captain Percival Drayton....
  
  , Conyngham
  USS Conyngham (DD-371)
  The second USS Conyngham was a in the United States Navy during World War II. She was named for Gustavus Conyngham.-History:...
  
  , Smith
  USS Smith (DD-378)
  The second USS Smith was a Mahan-class destroyer in the United States Navy during World War II. She was named for Lieutenant Joseph B. Smith, USN...
  
  ), 5 Destroyer Escorts (USS Chaffee
  USS Chaffee (DE-230)
  USS Chaffee was a Rudderow-class destroyer escort in the United States Navy during World War IIChaffee was launched 27 November 1943 by Charleston Navy Yard; sponsored by Mrs. L. C. Chaffee; and commissioned 9 May 1944, Lieutenant Commander A. C...
  
  , L.E. Thomas, E.A.Howard
  USS Edwin A. Howard (DE-346)
  USS Edwin A. Howard was a John C. Butler-class destroyer escort acquired by the U.S. Navy during World War II. The primary purpose of the destroyer escort was to escort and protect ships in convoy, in addition to other tasks as assigned, such as patrol or radar picket. Post-war, she returned home...
  
  , J. Rutheford, Key
  USS Key (DE-348)
  USS Key was a acquired by the U.S. Navy during World War II. The primary purpose of the destroyer escort was to escort and protect ships in convoy, in addition to other tasks as assigned, such as patrol or radar picket...
  
  ), 1 Frigate (HMAS Gascoyne
  HMAS Gascoyne (K354)
  HMAS Gascoyne was a River class frigate that served in the Royal Australian Navy . Laid down in 1942 and commissioned in 1943, the frigate served during World War II, before being placed in reserve in 1946...
  
  )
- 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
  USS Montpelier (CL-57)
  USS Montpelier was one of 26 United States Navy light cruisers completed during or shortly after World War II. She was the second US Navy ship to be named for the city of Montpelier, Vermont. Montpelier was commissioned in September 1942 and saw service in several campaigns in the Pacific...
  
  (from 15 June), Denver
  USS Denver (CL-58)
  USS Denver was a Cleveland-class light cruiser. Denver launched on 4 April 1942 by New York Shipbuilding Corp., Camden, N.J.; sponsored by Miss L. J. Stapleton, daughter of the Mayor of Denver; and commissioned on 15 October 1942, Captain Robert Carney in command...
  
  (from 15 June), Columbia
  USS Columbia (CL-56)
  was one of 26 United States Navy light cruisers completed during or shortly after World War II. The ship, the sixth US Navy ship to bear the name, was named for the city of Columbia, South Carolina. Columbia was commissioned in July 1942, and saw service in several campaigns in the Pacific...
  
  (from 23 June), Cleveland
  USS Cleveland (CL-55)
  was the lead ship and one of the 26 United States Navy light cruisers completed during or shortly after World War II. She was the second ship to be named for the city of Cleveland, Ohio....
  
  (30 June - 1st? July), Phoenix
  USS Phoenix (CL-46)
  USS Phoenix , a Brooklyn-class light cruiser, was the third Phoenix of the United States Navy. After World War II the ship was transferred to Argentina in 1951 and was ultimately renamed the General Belgrano. General Belgrano was sunk during the Falklands War in 1982 by the British nuclear-powered...
  
  (4–6 July), Nashville
  USS Nashville (CL-43)
  USS Nashville , a Brooklyn-class light cruiser, was laid down on 24 January 1935 by New York Shipbuilding Corporation, Camden, New Jersey; launched on 2 October 1937; sponsored by Misses Ann and Mildred Stahlman; and commissioned on 6 June 1938, Captain William W...
  
  (4–6 July), HMAS Hobart
  HMAS Hobart (1939)
  HMAS Hobart was a Modified Leander class light cruiser which served in the Royal Australian Navy during World War II. Originally constructed for the Royal Navy as HMS Apollo, the ship entered service in 1936, and was sold to Australia two years later...
  
  (from 27 June), HNLMS Tromp
  HNLMS Tromp (1937)
  HNLMS Tromp was the lead ship of the Tromp-class light cruisers of the Royal Netherlands Navy during and after World War II.Originally designated as a flotilla leader and a torpedo cruiser in the Deckers Fleet Plan of 1931, she was laid down at the "Nederlandsche Scheepsbouw Maatschappij" ,...
  
  (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
  USS Block Island (CVE-106)
  USS Block Island was a Commencement Bay class escort carrier of the United States Navy. She was the second ship to carry her name, done in honor of the first one, being launched 12 days after the original was sunk....
  
  , Gilbert Islands
- Destroyers: USS Helm
  USS Helm (DD-388)
  USS Helm was a Bagley-class destroyer in the United States Navy during World War II. She was named for Rear Admiral James Meredith Helm. Helm received 11 battle stars for her World War II service in the Pacific.-Pre-war:...
- Destroyer escort
  Destroyer escort
  A destroyer escort is the classification for a smaller, lightly armed warship designed to be used to escort convoys of merchant marine ships, primarily of the United States Merchant Marine in World War II. It is employed primarily for anti-submarine warfare, but also provides some protection...
  
  s: USS Mitchell, Donaldson, Cloues, Lamons and Kyne

8 USN PT boat
PT boat
PT Boats were a variety of motor torpedo boat , a small, fast vessel used by the United States Navy in World War II to attack larger surface ships. The PT boat squadrons were nicknamed "the mosquito fleet". The Japanese called them "Devil Boats".The original pre–World War I torpedo boats were...

s arrived with the tender USS Mobjack
USS Mobjack (AGP-7)
USS Mobjack was a motor torpedo boat tender that served in the United States Navy from 1943 to 1946.-Construction and early deployment:...

on 27 June, and this force was expanded to two PT boat squadrons (10 and 27) on 6 July.

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