# 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 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 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 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 ( 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 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)
       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 (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 (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)
    4th Marine Division (Major General Clifton B. Cates)
          Assistant Division Commander: Brigadier General Samuel C. Cumming
          Chief of Staff: Colonel William W. Rogers
       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)
       20th Marine Regiment (Engineer) (Lieutenant Colonel Nelson K. Brown)
          1st Battalion (Engineers) (Major Richard G. Ruby)
          2nd Battalion (Pioneers) (Major John H. Partridge)
       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)
       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.)
       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)

## Japan
### 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)