EXPEDITIONARY TROOPS (TF 56) Commanding General LtGen Holland M. Smith Chief of Staff Col Dudley S. Brown G-1 Col Russell N. Jordahl G-2 Col Edmond J. Buckley G-3 Col Kenneth H. Weir G-4 Col George R. Rowan V AMPHIBIOUS CORPS (VACLF) Commanding General MajGen Harry Schmidt Chief of Staff BrigGen William W. Rogers G-1 Col David A. Stafford G-2 Col Thomas R. Yancey (USA) G-3 Col Edward A. Craig G-4 Col William F. Brown 3D MARINE DIVISION Commanding General MajGen Graves B. Erskine Asst Division Commander Col John B. Wilson Chief of Staff Col Robert E. Hogaboom D-1 Maj Irving R. Kriendler D-2 LtCol Howard J. Turton D-3 Col Arthur H. Butler D-4 LtCol James D. Hittle Headquarters Battalion LtCol Jack F. Warner (until 14 March)
LtCol Carey A. Randall (after 14 March)3d Marines1 Commanding Officer Col James A. Stuart Executive Officer LtCol Newton B. Barkley R-3 Capt Paul H. Groth 1st Battalion, 3d Marines Battalion Commander LtCol Ronald R. Van Stockum Executive Officer Maj Leyton M. Rogers Bn-3 Capt Joseph V. Millerick 2d Battalion, 3d Marines Battalion Commander LtCol Thomas R. Stokes Executive Officer Maj Howard J. Smith Bn-3 Capt French R. Fogle 3d Battalion, 3d Marines Battalion Commander LtCol Ralph L. Houser Executive Officer Maj Royal R. Bastian Bn-3 Capt William R. Bradley 9th Marines Commanding Officer Col Howard N. Kenyon Executive Officer LtCol Paul W. Russell R-3 Maj Calvin W. Kunz 1st Battalion, 9th Marines Battalion Commander LtCol Carey A. Randall (until 6 March)
Maj William T. Glass (6-14 March)
LtCol Jack F. Warner (after 14 March)Executive Officer Capt Frank K. Finneran Bn-3 Capt James R. Harber (until 27 February)
Capt Robert R. Fairburn (after 27 February)2d Battalion, 9th Marines Battalion Commander LtCol Robert E. Cushman, Jr. Executive Officer Maj William T. Glass (until 5 March, again from 15 March) Bn-3 Capt Laurance W. Cracroft
3d Battalion, 9th Marines Battalion Commander LtCol Harold C. Boehm Executive Officer Maj Donald B. Hubbard Bn-3 Capt Joseph T. McFadden 21st Marines Commanding Officer Col Hartnoll J. Withers Executive Officer LtCol Eustace R. Smoak R-3 Capt Andrew Hedesh 1st Battalion, 21st Marines Battalion Commander LtCol Marlow C. Williams (until 22 February, WIA)
Maj Clay M. Murray (22 February, WIA)
Maj Robert H. Houser (after 22 February)Executive Officer Maj Clay M. Murray (until 22 February)
Maj George D. Flood, Jr. (after 22 February)Bn-3 Maj George D. Flood, Jr. 2d Battalion, 21st Marines Battalion Commander LtCol Lowell E. English (until 2 March, WIA)
Maj George A. Percy (after 2 March)Executive Officer Maj George A. Percy (until 2 March)
Maj Michael V. DiVita (after 2 March)Bn-3 Capt Thomas E. Norpell 3d Battalion, 21st Marines Battalion Commander LtCol. Wendell H. Duplantis Executive Officer Maj Paul M. Jones Bn-3 1stLt James C. Corman 12th Marines Commanding Officer LtCol Raymond F. Crist, Jr. Executive Officer LtCol Bernard H. Kirk R-3 LtCol Thomas R. Belzer 1st Battalion, 12th Marines Battalion Commander Maj George B. Thomas Executive Officer Maj William P. Pala Bn-3 Maj Clarence E. Brissenden 2d Battalion, 12th Marines Battalion Commander LtCol William T. Fairbourn Executive Officer Maj Oliver E. Robinett Bn-3 Capt Joseph F. Fogg 3d Battalion, 12th Marines Battalion Commander LtCol Alpha L. Bowser, Jr. Executive Officer Maj Claude S. Sanders, Jr. Bn-3 Maj Wilbur R. Helmer 4th Battalion, 12th Marines Battalion Commander Maj Joe B. Wallen (until 20 March)
LtCol Thomas R. Belzer (after 20 March)Executive Officer Maj David S. Randall (until 20 March) Bn-3 Capt Lewis E. Poggemeyer 3d Tank Battalion Battalion Commander Maj Holly H. Evans Executive Officer Capt Gerald P. Foster Bn-3 Capt Bertram A. Yaffe 3d Engineer Battalion Battalion Commander LtCol Walter S. Campbell Executive Officer Maj Eldon J.C. Rogers Bn-3 Capt Arthur J. Wardrep, Jr. 3d Pioneer Battalion Battalion Commander LtCol Edmund M. Williams Executive Officer Maj Howard A. Hurst Bn-3 Capt Jack R. Edwards Service Troops, 3d Division2 Commanding Officer Col James O. Brauer (until 6 March)
Col Lewis A. Hohn (after 6 March)Executive Officer Maj Reginald G. Sauls, III 3d Service Battalion Battalion Commander LtCol Paul G. Chandler Executive Officer Maj William E. Cullen Bn-3 Capt Warren E. Smith 3d Motor Transport Battalion Battalion Commander LtCol Ernest W. Fry, Jr. Executive Officer Maj Ira E. Harrod, Jr. Bn-3 Maj Ira E. Harrod, Jr. 3d Medical Battalion Battalion Commander Cdr Anthony E. Reymont (USNR) Executive Officer Cdr Owen Deuby (USN) 4TH MARINE DIVISION Commanding General MajGen Clifton B. Cates Asst Division Commander BrigGen Franklin A. Hart Chief of Staff Col Merton J. Batchelder D-1 Col Orin H. Wheeler D-2 LtCol Gooderham L. McCormick D-3 Col Edwin A. Pollock D-4 Col Matthew C. Horner Headquarters Battalion Col Bertrand T. Fay Commander Support Group3 LtCol Melvin L. Kruiewitch
23d Marines Commanding Officer Col Walter W. Wensinger Executive Officer LtCol Edward J. Dillon R-3 Maj Henry S. Campbell 1st Battalion, 23d Marines Battalion Commander LtCol Ralph Haas (until 20 February, KIA)
LtCol Louis B. Blissard (after 20 February)Executive Officer LtCol Louis B. Blissard (until 20 February) Bn-3 Capt Fred C. Eberhardt (until 20 February, KIA)
Maj James W. Sperry (after 20 February)2d Battalion, 23d Marines Battalion Commander Maj Robert H. Davidson (until 7 March, WIA, and again from 11 March)
LtCol Edward J. Dillon (7-11 March)Executive Officer Maj John J. Padley (until 7 March, WIA)
Capt Carl O.J. Grussendorf (after 7 March)Bn-3 Capt Edward J. Schofield (until 7 March, WIA) 3d Battalion, 23d Marines Battalion Commander Maj James S. Scales Executive Officer Maj Philip J. Maloney Bn-3 Maj William H. Cushing 24th Marines Commanding Officer Col Walter I. Jordan Executive Officer LtCol Austin R. Brunelli (until 8 March) R-3 Maj Webb D. Sawyer 1st Battalion, 24th Marines Battalion Commander Maj Paul S. Treitel (until 8 March)
LtCol Austin R. Brunelli (after 8 March)Executive Officer Maj Horace C. Parks Bn-3 Maj Irving Schechter (until 8 March)
Maj George D. Webster (after 8 March)2d Battalion, 24th Marines Battalion Commander LtCol Richard Rothwell Executive Officer Maj Frank E. Garretson Bn-3 Capt John F. Ross, Jr. (until 20 February, WIA)
Maj Charles C. Berkeley, Jr. (after 20 February)3d Battalion, 24th Marines Battalion Commander LtCol Alexander A. Vandegrift, Jr. (until 23 February, WIA)
Maj Doyle A. Stout (after 23 February)Executive Officer Maj Doyle A. Stout (until 23 February)
Maj Albert Arsenault (after 23 February)Bn-3 Maj Albert Arsenault (until 23 February)
Maj William C. Esterline (after 25 February)25th Marines Commanding Officer Col John R. Lanigan Executive Officer LtCol Clarence J. O'Donnell R-3 Maj John H. Jones 1st Battalion, 25th Marines Battalion Commander LtCol Hollis U. Mustain (until 21 February, KIA)
Maj Fenton J. Mee (after 21 February)Executive Officer Maj Henry D. Strunk (until 19 February, WIA)
Maj Fenton J. Mee (from 19-21 February)
Maj Edward L. Asbill (after 21 February)Bn-3 Maj Fenton J. Mee (until 21 February)
Capt William J. Weinstein (after 21 February)2d Battalion, 25th Marines Battalion Commander LtCol Lewis C. Hudson,Jr. (until 20 February, WIA)
LtCol James Taul (after 20 February)Executive Officer Maj William P. Kaempfer (until 20 February, WIA) Bn-3 Maj Donald K. Ellis (until 20 February, WIA)
Capt Edward H. Birkenmeier, Jr. (after 26 February)3d Battalion, 25th Marines Battalion Commander LtCol Justice M. Chambers (until 22 February, WIA)
Capt James C. Headley (after 22 February)
3d Battalion, 25th Marines--Continued Executive Officer LtCol James Taul (until 20 February)
Capt James Antink (after 22 February)Bn-3 Maj Lawrence M. Rulison (until 19 February, WIA)
Capt Elwyn W. Woods (after 12 March)14th Marines Commanding Officer Col Louis G. De Haven Executive Officer LtCol Randall M. Victory R-3 Maj Frederick J. Karch 1st Battalion, 14th Marines Battalion Commander Maj John B. Edgar, Jr. Executive Officer Maj Charles V. Watson Bn-3 Capt Raymond Jenkins 2d Battalion, 14th Marines Battalion Commander Maj Clifford B. Drake Executive Officer Maj Donald E. Noll Bn-3 Maj Ralph W. Boyer 3d Battalion, 14th Marines Battalion Commander LtCol Robert E. MacFarlane (until 19 February, WIA)
Maj Harvey A. Feehan (19-23 February, after 10 March)
LtCol Carl A. Youngdale (23 February until 10 March)Executive Officer Maj Harvey A. Feehan (until 10 February, again 23 February until 10 March) Bn-3 1stLt Bernard J. Diggs 4th Battalion, 14th Marines Battalion Commander LtCol Carl A. Youngdale (until 23 February, again after 10 March)
Maj Roland J. Spritzen (23 February until 10 March)Executive Officer Maj Roland J. Spritzen Bn-3 Capt Russell F. Schoenbeck 4th Tank Battalion Battalion Commander LtCol Richard K. Schmidt Executive Officer Maj Francis L. Orgain Bn-3 Maj Leo B. Case 4th Engineer Battalion Battalion Commander LtCol Nelson K. Brown Executive Officer Maj Melvin D. Henderson Bn-3 Maj Melvin D. Henderson 4th Pioneer Battalion Battalion Commander LtCol Richard G. Ruby Executive Officer Maj John H. Partridge Bn-3 Capt George A. Smith 4th Service Battalion Battalion Commander LtCol John E. Fondahl Executive Officer Maj Henry P. Welton Bn-3 1stLt James T. Willis 4th Motor Transport Battalion Battalion Commander LtCol Ralph L. Schiesswohl Executive Officer Maj Michael J. Danneker Bn-3 (Not shown) 4th Medical Battalion Battalion Commander Cdr Reuben L. Sharp (USNR) Executive Officer LCdr Eugene G. McCarthy (USNR) 5th Amphibian Tractor Battalion Battalion Commander Maj George L. Shead Executive Officer Capt William C. Stoll, Jr. Bn-3 Capt William S. Clark 10th Amphibian Tractor Battalion Battalion Commander Maj Victor J. Croizat Executive Officer Maj Harry T. Marshall, Jr. Bn-3 Capt George A. Vradenburg, Jr. 5TH MARINE DIVISION Commanding General MajGen Keller E. Rockey Asst Division Commander BrigGen Leo D. Hermle Chief of Staff Col Ray A. Robinson D-1 Col John W. Beckett D-2 LtCol George A. Roll D-3 Col James F. Shaw, Jr. D-4 Col Earl S. Piper D-5 LtCol frederick R. Dowsett Headquarters Battalion Maj John Ayrault, Jr. 26th Marines Commanding Officer Col Chester B. Graham Executive Officer Col Lester S. Hamel R-3 LtCol William K. Davenport, Jr. 1st Battalion, 26th Marines Battalion Commander LtCol Daniel C. Pollock (until 19 March, WIA)
Maj Albert V.K. Gary (after 19 March)Executive Officer Maj Albert V.K. Gary (until 10 March) Bn-3 Capt Aram S. Rejebian 2d Battalion, 26th Marines Battalion Commander LtCol Joseph P. Sayers (until 23 February, WIA)
Maj Amedeo Rea (after 23 February)Executive Officer Maj Amedeo Rea (until 23 February)
Capt Thomas M. Fields (after 23 February)Bn-3 1stLt Royer G. Warren (until 26 February, WIA)
2dLt William M. Adams, Jr. (after 26 February)
3d Battalion, 26th Marines Battalion Commander LtCol Tom M. Trotti (until 22 February, KIA)
Capt Richard M. Cook (22 February only)
Maj Richard Fagan (after 22 February)Executive Officer Maj George F. Waters, Jr. (until 20 February, WIA)
Maj Chester E. Bennett (after 6 March)Bn-3 Maj William R. Day (until 22 February, KIA)
Capt Conrad A. Pearson (after 22 February)27th Marines Commanding Officer Col Thomas A. Wornham Executive Officer Col Louis C. Plain (WIA 19 February)
LtCol James P. Berkeley (after 15 March)R-3 LtCol Justin G. Duryea (until 5 March)
Capt Franklin L. Smith (after 5 March)1st Battalion, 27th Marines Battalion Commander LtCol John A. Butler (until 4 March, KIA)
LtCol Justin G. Duryea (5 until 9 March, WIA)
Maj William H. Kennedy, Jr. (after 14 March)Executive Officer Maj William H. Tumbelston (until 9 March)
Maj William H. Kennedy, Jr. (9-14 March)
Maj Ronald F. Adams (after 14 March)Bn-3 Capt Thomas R. Shepard (until 14 March, WIA) 2d Battalion, 27th Marines Battalion Commander Maj John W. Antonelli (until 9 March, WIA)
Maj Gerald F. Russell (after 9 March)Executive Officer Maj Gerald F. Russell (until 9 March) Bn-3 Maj C.J. Chandler, Jr. 3d Battalion, 27th Marines Battalion Commander LtCol Donn J. Robertson Executive Officer Maj Frederick J. Mix, Jr. Bn-3 Maj William H. Kennedy, Jr. (until 9 March)
Maj Frederick J. Mix, Jr. (after 9 March)28th Marines Commanding Officer Col Harry B. Liversedge Executive Officer LtCol Robert H. Williams R-3 Maj Oscar F. Peatross (until 14 March)
LtCol Charles E. Shepard, Jr. (15-25 March)1st Battalion, 28th Marines Battalion Commander LtCol Jackson B. Butterfield Executive Officer Maj William A. Wood Bn-3 1stLt William R. Henderson 2d Battalion, 28th Marines Battalion Commander LtCol Chandler W. Johnson (until 2 March, KIA)
Maj Thomas B. Pearce, Jr. (after 2 March)Executive Officer Maj Thomas B. Pearce, jr. (until 2 March)
Maj James H. Finch (after 2 March)Bn-3 Capt Martin W. Reinemann 3d Battalion, 28th Marines Battalion Commander LtCol Charles E. Shepard, Jr. (until 14 March and from 25 March)
Maj Tolson A. Smoak (14-25 March)Executive Officer Maj Tolson A. Smoak (until 14 March and from 25 March)
Maj Oscar F. Peatross (14-25 March)Bn-3 Capt Robert N. Spangler 13th Marines Commanding Officer Col James D. Waller Executive Officer LtCol Kenyth A. Damke R-3 LtCol Jack Tabor 1st Battalion, 13th Marines Battalion Commander LtCol John S. Oldfield Executive Officer Maj Edward O. Cerf Bn-3 Maj James R. Crockett 2d Battalion, 13th Marines Battalion Commander Maj Carl W. Kjerpe Executive Officer Maj Olin W. Jones, Jr. Bn-3 Maj George E. Moore 3d Battalion, 13th Marines Battalion Commander LtCol Henry T. Waller Executive Officer Maj William M. Miller Bn-3 Maj Edwin N. Kittrell, Jr. 4th Battalion, 13th Marines Battalion Commander Maj James F. Coady Executive Officer Maj William W. Mitchell Bn-3 Capt Jackson C. Turnacliff
Service Troops4 Commanding Officer Col Benjamin W. Gally Executive Officer LtCol Robert L. Cooper 5th Tank Battalion Battalion Commander LtCol William R. Collins Executive Officer Maj Gardelle Lewis (until 26 February)
Maj John L. Frothingham (after 26 February)Bn-3 1stLt George C. Moore 5th Engineer Battalion Battalion Commander LtCol Clifford H. Shuey Executive Officer Maj Herbert I. McCoy Bn-3 Capt Richard J. MacLaury 5th Pioneer Battalion Battalion Commander Maj Robert S. Riddell Executive Officer Maj Rupert C. Henley Bn-3 Capt Harold A. Hayes, Jr. 5th Service Battalion Battalion Commander Maj Francis P. Daly (until 22 February, KIA)
Maj Gardelle Lewis (after 26 February)Battalion Adjutant 1stLt William A. Brokaw 5th Motor Transport Battalion Battalion Commander Maj Arthur F. Torgler, Jr. Executive Officer Capt Herbert E. Pierce Bn-3 Capt William Montagna 5th Medical Battalion Battalion Commander LCdr William W. Ayres (USN) Executive Officer LCdr John E. Gorman (USN) 3d Amphibian Tractor Battalion Battalion Commander LtCol Sylvester L. Stephan Executive Officer Maj Erwin F. Wann, Jr. Bn-3 Maj George M. Foote 11th Amphibian Tractor Battalion Battalion Commander LtCol Albert J. Roose Executive Officer Maj Robert W. Dyer Bn-3 Capt Leopold Fiske V AMPHIBIOUS CORPS (and major attached units) Corps Troops Commanding Officer Col Alton A. Gladden Hq and Serv Bn, VAC Commanding Officer Capt Cyril M. Milbrath 1st Provisional Field Artillery Group Group Commander Col John S. Letcher Executive Officer LtCol Marvin H. Floom Gp-3 Maj William G. Winters. Jr. 2d 155mm Howitzer Battalion (1st Prov FA Group) Battalion Commander Maj Earl J. Rowse Executive Officer Maj Alexander A. Elder Bn-3 Capt Earl N. Lewis 4th 155mm Howitzer Battalion (1st Prov FA Group) Battalion Commander LtCol Douglas E. Reeve Executive Officer Maj Marvin R. Burditt Bn-3 Maj Joe H. Daniel 1338th AA Group (USA) Group Commander Col Clarence E. Rothgeb 506th AA Gun Battalion (138th AA Group, USA) Battalion Commander LtCol D.M. White 483d AAAW Battalion (138th AA Group, USA) Battalion Commander LtCol A. Roth 8th Field Depot Commanding Officer Col Leland S. Swindler Landing Force Air Support Control Unit Commanding Officer Col Vernon E. Megee VAC Signal Battalion Commanding Officer LtCol Alfred F. Robertshaw VAC Medical Battalion Commanding Officer LCdr William B. Clapp (USNR) Provisional Signal Group Commanding Officer LtCol Harry W.G. Vadnais Hq, Provisional LVT Group Commanding Officer Maj Henry G. Lawrence, Jr. 2d Separate Engineer Battalion Commanding Officer LtCol Charles O. Clark 2d Armored Amphibian Battalion Commanding Officer LtCol Reed M. Fawell, Jr. 23d Naval Construction Battalion (Cos A and B) Commanding Officer Cdr H.W. Heuer (USN) 31st Naval Construction Battalion Commanding Officer LCdr D.J. Ermilio (USNR) 62d Naval Construction Battalion Commanding Officer LCdr F.B. Campbell (USNR) 133d Naval Construction Battalion Commanding Officer LCdr R.P. Murphy (USNR) Corps Evacuation Hospital Number 1 Commanding Officer Capt H.G. Young (USN) 38th Field Hospital, Reinforced (USA) Commanding Officer Maj Samuel S. Kirkland
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1. This regiment did not land on Iwo Jima and did not actively participate in that operation. The 3d Marines remained in the area as ExTrpPac Reserve until 5Mar45, when it returned to Guam. Footnotes
2. This command was superimposed upon and coordinated the activities of the Service, Motor Transport, and Medical Bns.
3. The 4th MarDiv Support Group task organization for Iwo Jima as follows: HqBn (less dets); 4th MT Bn (less Cos A, B, and C); 4th Tank Bn 9 (less Cos A, B. and C plus Main Plt, Ord Co., 4th Serv Bn); 4th Serv Bn (less dets); 4th Med Bn (less Cos A, B, and C); 4th Engr Bn (less Cos A, B, and C); 2d Arm Amph Bn (less Cos A, B, C, D, and det of Bn Hq); Div Rcn Co; 1st JASCO (less dets); 1st Prov Rocket Det (less 1st and 2d Secs); Det 726th SWA Co; JICPOA Int Team; Det Sig Bn, VAC; Corps Ln Gp. After the landing the following groups were also attached: 5th Amph Trac Bn; 10th Amph Trac Bn; 24th and 30th Repl Drafts.
4. The Service Troops command controlled and coordinated the activities of the following units of the 5th Division: Hq Co, Hq Bn; Recon Co; Sig Co; MP Co; 5th Serv Bn; 5th MT Bn; 5th Tk Bn; 5th Engr Bn; 5th Pion Bn; and 5th Med Bn.