| US TASK FORCE ORGANIZATION | ||
| Overall Command of Iwo Jima Operation | Admiral Raymond Spruance | |
| Task Force 51 Joint Expeditionary Force | Vice-Admiral Richmond Turner | |
| Task Force 52 Amphibious Support Force | Rear-Admiral William Blandly | |
| Task Force 53 Attack Force | Rear-Admiral Harry Will | |
| Task Force 54 Gunfire & Covering Force | Rear-Admiral Bertram Rogers | |
| Task Force 56 Expeditionary Troops | Lieutenant-General Holland Smith | |
| Task Force 56-1 Landing Force | Major-General Harry Schmidt | |
| Task Force 58 Fast Carrier Force | Vice-Admiral Marc Mitscher | |
| Task Force 93 Strategic Air Force | Lieutenant-General Hillard Harmon | |
| Task Force 94 Forward Area | Vice-Admiral John Hoover | |
| Amerikaanse eenheden voor Iwo Jima | ||
| Task Force 56 Expeditionary Troops | ||
| Commanding General | Lieutenant-General Holland M. Smith | |
| V Amphibious Corps (VACLF) | ||
| Commanding General | Major-General Harry Schmidt | |
| 3rd Marine Division | Major-General Graves B. Erskine | |
| 3rd Regiment | Colonel James A. Stuart | |
| 9th Regiment - 1st. Battalion - 2nd. Battalion - 3rd. Battalion | Colonel Howard N. Kenyon Lieutenant-Colonel Cary A.Randell Lieutenant-Colonel Robert E. Cushman Lieutenant-Colonel Harold C. Boehm | |
| 21st. Regiment - 1st. Battalion - 2nd. Battalion - 3rd. Battalion | Colonel Hartnoll J. Withers Lieutenant-Colonel Marlowe Williams Lieutenant-Colonel Lowell E. English Lieutenant-Colonel Wendell H. Duplantis | |
| 4th. Marine Division | Major-General Clifton B. Cates | |
| 23rd. Regiment - 1st. Battalion - 2nd. Battalion - 3rd. Battalion | Colonel Walter W. Wensinger Lieutenant-Colonel Ralph Haas Major Robert H. Davidson Major James S. Scales | |
| 24th. Regiment - 1st. Battalion - 2nd. Battalion - 3rd. Battalion | Colonel Walter I. Jordan Major Paul S. Treitel Lieutenant-Colonel Richard Rothwell Lieutenant-Colonel Alexander Vandegrift jr. | |
| 25th. Regiment - 1st. Battalion - 2nd. Battalion - 3rd. Battalion | Colonel John R. Lanigan | |
| 5th. Marine Division | Major-General Keller E. Rockey | |
| 26th. Regiment - 1st. Battalion - 2nd. Battalion - 3rd. Battalion | Colonel Chester B. Graham Lieutenant-Colonel Daniel C. Pollock Lieutenant-Colonel Joseph P. Sayers Lieutenant-Colonel Tom M. Trotti | |
| 27th. Regiment - 1st. Battalion - 2nd. Battalion - 3rd. Battalion | Colonel Thomas A. Wornham Lieutenant-Colonel John A. Butler Major John W. Antonelli Lieutenant-Colonel Donn J. Robertson | |
| 28th. Regiment - 1st. Battalion - 2nd. Battalion - 3rd. Battalion | Colonel Harry B. Liversedge Lieutenant-Colonel Jackson B. Butterfield Lieutenant-Colonel Chandler W. Johnson Lieutenant-Colonel Charles E. Shepard jr. | |