This is an order of battle listing the Japanese and Allied forces involved in the Battle of Milne Bay from 25 August – 7 September 1942.

Japanese forces

8th Fleet Vice Admiral Gunichi Mikawa

Assault Force Rear Admiral Mitsaharu Matsuyama

18th Cruiser DivisionRear Admiral Mitsaharu Matsuyama

29th Destroyer Division

23rd Submarine Chaser Division CH-22 CH-24 Transport Group Nankai Maru Kinai Maru Landing Force 5th Kure Special Naval Landing Force 5th Sasebo Special Naval Landing Force (part) 19th Establishment Unit (part) 8th Signals Unit (part)

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Allied forces

Milne Force Major General Cyril Clowes

Headquarters Headquarters, Milne Bay Force Headquarters, Royal Australian Engineers, Milne Bay Force Headquarters, Signals, Milne Bay Force Headquarters, Australian Army Service Corps, Milne Bay Force

Artillery 9th Battery, 2/5th Field Regiment 4th Battery, 101st Anti-Tank Regiment 2/6th Heavy Anti-Aircraft Battery Section, 23rd Heavy Anti-Aircraft Battery Headquarters, 33rd Heavy Anti-Aircraft Battery 440th Heavy Anti-Aircraft Gun Station 441st Heavy Anti-Aircraft Gun Station 2/9th Light Anti-Aircraft Battery (less E Troop), an Independent Battery of the 2/3rd Light Anti-Aircraft Regiment Detachment, Signals, 2/3rd Light Anti-Aircraft Regiment Detachment, 3rd Light Anti-Aircraft Workshop Section, 2/3rd Light Anti-Aircraft Regiment

Engineers 24th Field Company 2/4th Field Company Detachment, No. 2 Dock Operating Company No. 5 Section, 1st Bomb Disposal Company

Signals Headquarters Company, Milne Force Signals No. 1 Company, Milne Force Signals Headquarters No. 2 Company, Milne Force Signals Headquarters No. 3 Company, Milne Force Signals Detachment, New Guinea Force Signals

Infantry 7th Infantry Brigade Defence Platoon

Supply and Transport 25th Company, Australian Army Service Corps 2/6th Company, Australian Army Service Corps

Ordnance 101st Independent Brigade Group Ordnance Workshop 101st Independent Brigade Group Ordnance Field Park 18th Brigade Section, 7th Division Ordnance Workshop 18th Brigade Section, 7th Division Ordnance Field Park 123rd Forward Ordnance Depot 23rd Forward Ammunition Depot

Medical 11th Field Ambulance 2/5th Field Ambulance 101st Casualty Clearing Station 308th Dental Unit 368th Dental Unit

Miscellaneous Detachment, Australian Defence Canteens Service Detachment, Australian New Guinea Administrative Unit

7th Infantry Brigade Headquarters, 7th Infantry Brigade J Section, Signals 241st Light Aid Detachment 9th Infantry Battalion 25th Infantry Battalion 61st Infantry Battalion 7th Brigade Provost Section 68th Field Post Office

18th Infantry Brigade Headquarters, 18th Infantry Brigade 11 Platoon, Headquarters Guard Battalion J Section, Signals, 7th Division 2/47th Light Aid Detachment 2/9th Infantry Battalion 2/10th Infantry Battalion 2/12th Infantry Battalion 5th Section, 7th Division Provost Company Detachment, 7th Division Postal Unit Detachment, 7th Division Field Cash Office

United States Army Units Platoon, 101st Coast Artillery (Anti-Aircraft) Battalion C Battery, 104th Coast Artillery (Anti-Aircraft) Battalion 709th Airborne Anti-Aircraft Artillery Battery Company E, 46th Engineers 43rd Engineers (less Headquarters and E Company) Port Detachment Company A, 394th Quartermaster Battalion Station Hospital

Allied Air Forces

RAAF No. 75 Squadron RAAF No. 76 Squadron RAAF RAAF Operating Base RAAF Signals No. 37 Radio Station

US Army Air Corps 8th Fighter Control Squadron 694th Signal Plotting Platoon

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