Battle of Tinian order of battle

United States

 * All units and personnel are USMC unless otherwise noted.

Expeditionary Troops (Lieutenant General Holland M. Smith)
 * Chief of Staff: Brigadier General Graves B. Erskine

V Amphibious Corps (Harry Schmidt)
 * Chief of Staff: Brigadier General Graves B. Erskine
 * V Amphibious Corps Headquarters and Service Battalion (Major Thomas R. Wert)
 * V Amphibious Corps Amphibious Reconnaissance Battalion (Captain James L. Jones)
 * V Amphibious Corps Medical Battalion (Lieutenant Commander William B. Clapp (USN))
 * V Amphibious Corps Signal Battalion (Colonel James H. N. Hudnall)
 * V Amphibious Corps Motor Transport Company
 * V Amphibious Corps Provisional Engineer Group
 * 18th Naval Construction Battalion (USN)
 * 121st Naval Construction Battalion (USN)
 * 34th Engineer Combat battalion (USA)
 * 2nd Armored Amphibian Battalion (Lieutenant Colonel Reed M. Fawell Jr.)
 * 4th 105mm Howitzer Battalion (Lieutenant Colonel Douglas E. Reeve)
 * 17th Anti-Aircraft Artillery Battalion
 * 7th Field Depot (Colonel Earle H. Phillips)
 * 3rd Ammunition Company
 * 18th Depot Company
 * 19th Depot Company
 * 20th Depot Company
 * 31st Field Hospital (USA)
 * 96th Provisional Portable Surgical Hospital (USA)
 * 97th Provisional Portable Surgical Hospital (USA)
 * 98th Provisional Portable Surgical Hospital (USA)
 * Air Warning Squadron 5
 * Detachment, 680th Air Warning Company (USA)
 * Detachment, 726th Air Warning Company (USA)
 * Detachment, 763th Air Warning Company (USA)
 * Detachment, Mobile Communications Unit No. 18, Group Pacific 6 (USN)
 * Northern Troops and Landing Force Shore Party (Colonel Cyril W. Martyr)
 * Attached units
 * XXIV Corps SSI.gif XXIV Corps Artillery (Brigadier General Arthur M. Harper) (USA)
 * 419th Field Artillery Group (USA)
 * 145th Field Artillery Battalion (USA)
 * 225th Field Artillery Battalion (USA)
 * 420th Field Artillery Group (USA)
 * 531st Field Artillery Battalion (USA)
 * 532nd Field Artillery Battalion (USA)
 * Provisional Anti-Aircraft Artillery Group (USA)
 * 864th Aircraft Warning Anti-Aircraft Battalion (USA)
 * Battery A, 751st Anti-Aircraft Battalion (USA)
 * Battery B, 751st Anti-Aircraft Battalion (USA)
 * 27th Infantry Division SSI.svg 27th Infantry Division Artillery (Brigadier General Richmond F. Kernan) (USA)
 * 104th Field Artillery Battalion (Lieutenant Colonel George P. Van Nostrand) (USA)
 * 105th Field Artillery Battalion (Lieutenant Colonel Nicholas D. La Morte) (USA)
 * 106th Field Artillery Battalion (Lieutenant Colonel John J. Fitzgerald) (USA)
 * 249th Field Artillery Battalion (Lieutenant Colonel Dwight McCallum) (USA)
 * 477th Amphibious Truck Company (USA)


 * 2nd_Mar_Div;divlogo1.png 2nd Marine Division (Major General Thomas E. Watson)
 * Assistant Division Commander: Brigadier General Merritt A. Edson
 * Chief of Staff: Colonel David M. Shoup
 * 2nd_Marine_Regiment_Logo.png 2nd Marine Regiment ( Colonel Walter J. Stuart)
 * 1st Battalion (Lieutenant Colonel Wood B. Kyle)
 * 2nd Battalion (Lieutenant Colonel Richard C. Nutting)
 * 3rd Battalion (Lieutenant Colonel Arnold F. Johnston)
 * 6th_Marine_Official_Indian_Head.jpg 6th Marine Regiment (Colonel James P. Riseley)
 * 1st Battalion (Lieutenant Colonel William K. Jones)
 * 2nd Battalion (Lieutenant Colonel Raymond L. Murray)
 * 3rd Battalion (Lieutenant Colonel John W. Easley; Major John E. Rentsch from 2 August 1944)
 * 8TH20MARINES.jpg 8th Marine Regiment (Colonel Clarence R. Wallace)
 * 1st Battalion (Lieutenant Colonel Lawrence C. Hays Jr.)
 * 2nd Battalion (Lieutenant Colonel Henry P. Crowe)
 * 3rd Battalion (Lieutenant Colonel John C. Miller Jr.)
 * 10th_Marine_Regiment_Seal.jpg 10th Marine Regiment (Artillery) (Colonel Raphael Griffin)
 * 1st Battalion (Lieutenant Colonel Presley M. Rixey)
 * 2nd Battalion (Lieutenant Colonel George R. E. Shell)
 * 3rd Battalion (Major William L. Crouch)
 * 4th Battalion (Lieutenant Colonel Kenneth A. Jorgensen)
 * 18th_Marine_Regiment_Insignia.jpg 18th Marine Regiment (Engineer) (Lieutenant Colonel Ewart S. Laue )
 * 1st Battalion, 18th Marines (Lieutenant Colonel August L. Vogt)
 * 2nd Battalion, 18th Marines (Lieutenant Colonel Chester J. Salazar)
 * 2nd Medical Battalion (Lieutenant Commander Claude R. Bruner (USN))
 * 2nd Motor Transport Battalion (Major Milton J. Green)
 * 2nd Service Battalion (Major Edward V. Dozier)
 * 2nd Tank Battalion (Major Charles W. McCoy)
 * 2nd Amphibian Tractor Battalion (Major Fenlon L. Durand)
 * 5th Amphibian Tractor Battalion (Major George L. Shead)
 * Attached units
 * 1st Amphibious Truck Company
 * 715th Amphibian Tractor Battalion (USA)
 * 2nd 155mm Artillery Battalion
 * 1st Provisional Rocket Detachment
 * 2nd Joint Assault Signal Company (USA)
 * Underwater Demolition Team 5 (USN)


 * 4THMARDIV.svg 4th Marine Division (Major General Clifton B. Cates)
 * Assistant Division Commander: Brigadier General Samuel C. Cumming
 * Chief of Staff: Colonel William W. Rogers
 * 14th_Marines_logo.png 14th Marine Regiment (Artillery) (Colonel 'Louis G. DeHaven)
 * 1st Battalion (Lieutenant Colonel Harry J. Zimmer; Major Clifford B. Drake from 25 July 1944)
 * 2nd Battalion (Lieutenant Colonel George B. Wilson Jr.)
 * 3rd Battalion (Major Robert E. MacFarlane)
 * 4th Battalion (Lieutenant Colonel Carl A. Youngdale)
 * Emblem_of_the_United_States_Marine_Corps.svg 20th Marine Regiment (Engineer) (Lieutenant Colonel Nelson K. Brown)
 * 1st Battalion (Engineers) (Major Richard G. Ruby)
 * 2nd Battalion (Pioneers) (Major John H. Partridge)
 * USMC_-_23rd_Marine_Regiment.png 23rd Marine Regiment (Colonel Louis R. Jones)
 * 1st Battalion (Lieutenant Colonel Ralph Haas)
 * 2nd Battalion (Lieutenant Colonel Edward J. Dillon)
 * 3rd Battalion (Major Paul S. Treitel)
 * 24thMarinesCrest.png 24th Marine Regiment (Colonel Franklin A. Hart)
 * 1st Battalion (Lieutenant Colonel Otto Lessing)
 * 2nd Battalion (Major Frank E. Garetson; Lieutenant Colonel Richard Rothwell from 27 July 1944)
 * 3rd Battalion (Lieutenant Colonel Alexander A. Vandegrift Jr.)
 * USMC_-_4th_Division_25th_Regiment.png 25th Marine Regiment (Colonel Merton J. Batchelder)
 * 1st Battalion (Lieutenant Colonel Hollis U. Mustain)
 * 2nd Battalion (Lieutenant Colonel Lewis C. Hudson)
 * 3rd Battalion (Lieutenant Colonel Justice M. Chambers)
 * 4th Medical Battalion (Lieutenant Commander George W. Mast (USN))
 * 4th Motor Transport Battalion (Lieutenant Colonel Ralph L. Scheisswohl)
 * 4th Service Battalion (Colonel Richard H. Schubert)
 * 4th Tank Battalion (Major Richard K. Schmidt)
 * 10th Amphibian Tractor Battalion (Major Victor J. Croizat)
 * Attached units
 * Company C, 11th Amphibian Tractor Battalion
 * 534th Amphibian Tractor Battalion (USA)
 * 708th Amphibian Tank Battalion (USA)
 * 773rd Amphibian Tractor Battalion (USA)
 * 1st Joint Assault Signal Company (USA)
 * 2nd Amphibious Truck Company
 * 311th Port Company (USA)
 * 539th Port Company (USA)
 * 1st Provisional Rocket Detachment
 * Underwater Demolition Team 7 (USN)

Imperial Japanese Navy

 * 1st Air Fleet (Vice Admiral Kakuji Kakuta)
 * 23rd Air Group
 * Hospital, 523rd Air Group
 * Construction Battalion, 523rd Air Group
 * 116th Construction Battalion
 * 833rd Construction Battalion
 * 56th Naval Guard Force (Captain Goichi Oie)
 * 82nd Anti-Aircraft Air Defense Unit Kitchitaro Tanaka
 * 83rd Anti-Aircraft Air Defense Unit Meiki Tanaka
 * 233rd Construction Battalion
 * Coastal Security Force

Imperial Japanese Army

 * 50th Infantry Regiment (Colonel Kiyochi Ogata)
 * 1st Battalion, 50th Infantry Regiment (Captain Matsuda)
 * 2nd Battalion, 50th Infantry Regiment (Captain Kamityama)
 * 3rd Battalion, 50th Infantry Regiment (Captain Yamamoto)
 * Artillery Battalion, 50th Infantry Regiment (Major Katuro Kahi)
 * Signal Company, 50th Infantry Regiment (Lieutenant Hayashi)
 * Engineer Company, 50th Infantry Regiment (Lieutenant Chuichi Yano)
 * Supply Company, 50th Infantry Regiment (Lieutenant Kenishi Nozaki)
 * Medical Company, 50th Infantry Regiment (Lieutenant Masaakira Narizawa)
 * Antitank Platoon, 50th Infantry Regiment (Second Lieutenant Moto Otani)
 * Fortification Detachment, 50th Infantry (Captain Masagi Hiruma)
 * Detachment, 29th Field Hospital (Captain Hayashi)
 * Platoon, 164th Independent Vehicle Company
 * Tank Company, 18th Infantry Regiment (Lieutenant Katsuo Shikamura)
 * 1st Battalion, 135th Infantry Regiment (Captain Isumi)