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Opposing Forces
Vice Adm. Raymond A. Spruance
Rear Adm. Richmond Kelly Turner
Lieut. Gen. Holland M. Smith
Maj. Gen. Thomas E. Watson
Maj. Gen. Clifton B. Cates
American order of battle
U.S. Fifth Fleet
Admiral
Raymond A. Spruance in heavy cruiser Indianapolis
Joint Expeditionary Force (Task Force 51)
Vice Admiral
Richmond Kelly Turner in amphibious command ship Rocky Mount
Northern Attack Force (Task Force 52)
Vice Admiral
Richmond Kelly Turner in amphibious command ship Rocky Mount
V Amphibious Corps
Northern sector (Red and Green beaches):
Southern sector (Blue and Yellow beaches):
Army (landed D+1):
-
27th Infantry Division (16,404 officers and enlisted)
- Commanding General (thru 24 Jun): Major General
Ralph C. Smith
- Commanding General (24 Jun thru 28 Jun): Major General Sanderford Jarman
- Commanding General (after 28 Jun): Major General
George W. Griner
-
XXIV Corps Artillery
- Commanding General: Brigadier General Arthur M. Harper
- 1st Provisional Gun Group
- 225th Field Artillery Howitzer Group
Japanese Order of Battle
Central Pacific Area Fleet HQ
- Commanding officer: Vice Admiral
Chūichi Nagumo (self-inflicted gunshot 6 July)
- Chief of staff: Rear Admiral Hideo Yano (seppuku 7 July)
- 31st Army
- Commanding officer: Lieutenant General
Hideyoshi Obata (on inspection tour of Guam during battle; seppuku there 11 August)
- 14th Air Fleet
Defenses of Saipan
- Commanding General: Lieutenant General
Saito Yoshitsugu (seppuku 7 July)
-
43rd Infantry Division
- 118th Infantry Regiment
- 135th Infantry Regiment
- 136th Infantry Regiment
- 47th Independent Mixed Brigade
- 316th Independent Infantry Battalion
- 317th Independent Infantry Battalion
- 318th Independent Infantry Battalion
- Other units:
- 3rd Independent Mountain Artillery Regiment
- 9th Tank Regiment (of
1st Tank Division)
- 3rd Battalion, 9th Independent Mixed Regiment
-
1st Battalion, 18th Infantry Regiment
- 25th Antiaircraft Artillery Regiment
- 14th Independent Mortar Battalion
- 17th Independent Mortar Battalion
- Miscellaneous straggler units
-
^ "FOLLOW ME" The Story of the 2nd Marine Division in WWII. "D Day in the Pacific" by Harold J Goldberg