| First Marine Division (Reinforced) | 
      
      
        | Division Headquarters (7Aug42-8Dec42) | 
      
      
        | CG | 
        MajGen Alexander A. Vandegrift | 
      
      
        | ADC | 
        BriGen William H. Rupertus | 
      
      
        | CofS | 
        Col William C. James (to 21Sep) | 
      
      
        |   | 
        Col Gerald C. Thomas (from 21 Sep) | 
      
      
        | D-1 | 
        Col Robert C. Kilmartin, Jr. (to 21Sep) | 
      
      
        |   | 
        Maj James C. Murray, Jr. (from 22Sep) | 
      
      
        | D-2 | 
        LtCol Frank B. Goettge (MIA 12Aug) | 
      
      
        |   | 
        LtCol Edmund J. Buckley (from 14Aug) | 
      
      
        | D-3 | 
        LtCol Gerald C. Thomas (to 20Sep) | 
      
      
        |   | 
        LtCol Merrill B. Twining (from 21Sep) | 
      
      
        | D-4 | 
        LtCol Randolph McC. Pate (to 21Oct) | 
      
      
        |   | 
        LtCol Raymond P.l Coffman (21Oct-25Nov) | 
      
      
        |   | 
        LtCol William S. Fellers (from 26Nov) | 
      
      
        | HqBn(Orgd 2D) | 
        LtCol Edwin J. Farrell | 
      
      
        | 1st Amphibian Tractor Battalion | 
      
      
        | CO | 
        LtCol Walter W. Barr | 
      
      
        | 1st Aviation Engineer Battalion
(18Sep42-8Feb43) | 
      
      
        | CO | 
        Maj Thomas F. Riley | 
      
      
        | 1st Engineer Battalion (7Aug42-22Dec42) | 
      
      
        | CO | 
        Maj James G. Frazer (to 24Oct) | 
      
      
        |   | 
        Maj Henry H. Crockett (from 25Oct) | 
      
      
        | 1st Medical Battalion (7Aug42-22Dec42) | 
      
      
        | CO | 
        Cdr Don S. Knowlton, MC (to 14Dec) | 
      
      
        |   | 
        LCdr Everett B. Keck, MC (from 15Dec) | 
      
      
        | 1st Parachute Battalion (7Aug42-18Sep42) | 
      
      
        | CO | 
        Maj Robert H. Williams (WIA 7Aug) | 
      
      
        |   | 
        Maj Charles A. Miller (8Aug-5Sep) | 
      
      
        |   | 
        Capt Harry L. Torgerson (6-8Sep) | 
      
      
        |   | 
        Maj Charles A. Miller (9-17Sep) | 
      
      
        |   | 
        Capt Harry L. Torgerson (from 18Sep) | 
      
      
        | 1st Pioneer Battalion (7Aug42-22Dec42) | 
      
      
        | CO | 
        Col George R. Rowan (to 19Sep) | 
      
      
        |   | 
        Maj Robert G. Ballance (from 20Sep) | 
      
      
        | 1st Raider Battalion (7Aug42-16Oct42) | 
      
      
        | CO | 
        Col Merritt A. Edson (to 20Sep) | 
      
      
        |   | 
        LtCol Samuel B. Griffith, II (from 22Sep, WIA 27Sep) | 
      
      
        |   | 
        Capt Ira J. Irwin (from 27Sep) | 
      
      
        | 1st Service Battalion (7Aug42-22Dec42) | 
      
      
        | CO | 
        LtCol Hawley C. Waterman | 
      
      
        | 1st Special Weapons Battalion
(7Aug42-22Dec42) | 
      
      
        | CO | 
        LtCol Robert B. Luckey (to 15Oct) | 
      
      
        |   | 
        Maj Richard W. Wallace (from 16Oct) | 
      
      
        | 1st Tank Battalion, Forward Echelon
(7Aug42-22Dec42) | 
      
      
        | CO | 
        Maj Harvey S. Walseth | 
      
      
        | 1st Marine Regiment (7Aug42-22Dec42) | 
      
      
        | CO | 
        Col Clifton B. Cates | 
      
      
        | 1st Battalion | 
        LtCol Lenard B. Cresswell | 
      
      
        | 2nd Battalion | 
        LtCol Edwin A. Pollock (to 22Sep) | 
      
      
        |   | 
        LtCol William W. Stickney (from 24Sep) | 
      
      
        | 3rd Battalion | 
        LtCol William N. McKelvey, Jr. | 
      
      
        | 5th Marine Regiment (7Aug42-9Dec42) | 
      
      
        | CO | 
        Col Leroy P. Unit (to 19Sep) | 
      
      
        |   | 
        Col Merritt A. Edson (from 21Sep) | 
      
      
        | 1st Battalion | 
        LtCol William E. Maxwell (to 28Aug) | 
      
      
        |   | 
        Maj Donal W. Fuller (30Aug-11Oct) | 
      
      
        |   | 
        Maj William P. Thyson, Jr. (12Oct) | 
      
      
        |   | 
        Maj William K. Enright (13-23Oct) | 
      
      
        |   | 
        Maj William P. Thyson, Hr. (24-30Oct) | 
      
      
        |   | 
        Maj William K. Enright (from 31Oct) | 
      
      
        | 2nd Battalion | 
        LtCol Harold E. Rosecrans (WIA 11Sep) | 
      
      
        |   | 
        Capt Joseph J. Dudkowski (11-17Sep) | 
      
      
        |   | 
        LtCol Walker A. Reves (18-24Sep) | 
      
      
        |   | 
        Capt Joseph J. Dudkowski (25-30Sep) | 
      
      
        |   | 
        Maj David S. McDougal (from 1Oct, WIA 8Oct) | 
      
      
        |   | 
        Maj William J. Piper, Jr. (8-11Oct) | 
      
      
        |   | 
        Maj Lewis W. Walt (from 12Oct) | 
      
      
        | 3rd Battalion | 
        LtCol Frederick C. Biebush (to 21Sep) | 
      
      
        |   | 
        Maj Robert O. Bowen (from 22Sep) | 
      
      
        | 7th Marine Regiment (18Sep42-5Jan43) | 
      
      
        | CO | 
        Col James B. Webb (to 19Sep) | 
      
      
        |   | 
        Col Amor LeR. Sims (from 20Sep) | 
      
      
        | 1st Battalion | 
        LtCol Lewis B. Puller (WIA 8Nov) | 
      
      
        |   | 
        Maj John E. Weber (9-17Nov) | 
      
      
        |   | 
        LtCol Lewis B. Puller (from 18Nov) | 
      
      
        | 2nd Battalion | 
        LtCol Herman H. Hanneken (to 17Nov) | 
      
      
        |   | 
        Maj Odell M. Conoley (18-28Nov) | 
      
      
        |   | 
        LtCol Herman H. Hanneken (from 29Nov) | 
      
      
        | 3rd Battalion | 
        LtCol Edwin J. Farrell (to 21Sep) | 
      
      
        |   | 
        LtCol William R. Williams (from 24Sep) | 
      
      
        | 11th Marine Regiment (7Aug42-22Dec42) | 
      
      
        | CO | 
        BriGen Pedro A. del Valle | 
      
      
        | 1st Battalion | 
        LtCol Joseph R. Knowlan (too18Oct) | 
      
      
        |   | 
        LtCol Manly L. Curry (18Oct-27Nov) | 
      
      
        |   | 
        LtCol Donovan D. Sult (28Nov-20Dec) | 
      
      
        |   | 
        Maj Lewis J. Fields (from 21Dec) | 
      
      
        | 2nd Battalion | 
        LtCol Edward J. Hagen (to 19Oct) | 
      
      
        |   | 
        Maj Forest C. Thomson (20-30Oct) | 
      
      
        |   | 
        Maj Lewis A. Ennis (1-5Nov) | 
      
      
        |   | 
        Maj Forest C. Thomson (6-11Nov) | 
      
      
        |   | 
        Maj Lewis A. Ennis (12-30Nov) | 
      
      
        |   | 
        Maj Forest C. Thomson (from 1Dec) | 
      
      
        | 3rd Battalion | 
        LtCol James J. Keating | 
      
      
        | 4th Battalion | 
        LtCol Melvin E. Fuller (to 26Oct) | 
      
      
        |   | 
        Maj Carl G.F. Korn (27--31Oct) | 
      
      
        |   | 
        Capt Albert H. Potter (from 1Nov) | 
      
      
        | 5th Battalion | 
        LtCol Eugene H. Price (to 30Oct) | 
      
      
        |   | 
        Maj Noah P. Wook, Jr. (from 1Nov) | 
      
      
        | 2nd Raider Battalion (4Nov42-17Dec42) | 
      
      
        | CO | 
        LtCol Evans F. Carlson | 
      
      
        | 3rd Barrage Balloon Squadron (8Sep42-8Feb43) | 
      
      
        | CO | 
        Capt Robert C. McDermond | 
      
      
        | 3rd Defense Battalion (7Aug42-8Feb43) | 
      
      
        | CO | 
        Col Robert H. Pepper (to 28Nov) | 
      
      
        |   | 
        LtCol Harold C. Roberts (29Nov-11Jan) | 
      
      
        |   | 
        LtCol Samuel G. Taxis (from 12Jan) | 
      
      
        | 5th Defense Battalion, Detachment A
(8Sep42-8Feb43)
Redesignated 14th Defense Battalion, 15Jan43 | 
      
      
        | CO | 
        LtCol William F. Parks (to 5Dec) | 
      
      
        |   | 
        Col Galen J. Sturgis (from 5Dec) | 
      
      
        | 9th Defense Battalion (30Nov42-8Feb43) | 
      
      
        | CO | 
        Col David R. Nimmer (to 2Feb) | 
      
      
        |   | 
        LtCol William J. Scheyer (from 3Feb) | 
      
      
        | Second Marine Division | 
      
      
        | Division Headquarters, Advance Echelon
(4Jan43-8Feb43) | 
      
      
        | CG | 
        BriGen Alphonse De Carre | 
      
      
        | CofS | 
        Col George F. Stockes | 
      
      
        | D-1 | 
        Maj Lawrence C. Hays, Hr. (to 5Feb) | 
      
      
        |   | 
        Capt Percy H. Uhlinger (from 6Feb) | 
      
      
        | D-2 | 
        Maj Thomas J. Colley | 
      
      
        | D-3 | 
        LtCol John H. Coffman (to 21Jan) | 
      
      
        |   | 
        LtCol Jesse S. Cook, Jr. (from 21Jan) | 
      
      
        | D-4 | 
        Maj George N. Carroll | 
      
      
        | 2nd Special Weapons Battalion (7Aug42-8Feb43) | 
      
      
        | CO | 
        LtCol Paul D. Sherman (to 8Jan) | 
      
      
        |   | 
        Maj Guy E. Tannyhill (9-12Jan) | 
      
      
        |   | 
        LtCol Paul D. Sherman (from 13Jan) | 
      
      
        | 2nd Marine Regiment (7Aug42-31Jan43) | 
      
      
        | CO | 
        Col John M. Arthur | 
      
      
        | 1st Battalion | 
        LtCol Robert E. Hill (WIA 11Nov) | 
      
      
        |   | 
        Maj Wood B. Kyle (from 11Nov) | 
      
      
        | 2nd Battalion | 
        LtCol Orin K. Pressley (to 14Dec) | 
      
      
        |   | 
        Maj Ewart S. Laue (from 14Dec) | 
      
      
        | 3rd Battalion | 
        LtCOl Robert G. Hunt | 
      
      
        | 6th Marine Regiment (4Jan43-8Feb43) | 
      
      
        | CO | 
        Col Gilder D. Jackson, Jr. | 
      
      
        | 1st Battalion | 
        LtCol Russell Lloyd | 
      
      
        | 2nd Battalion | 
        Maj Raymond L. Murray | 
      
      
        | 3rd Battalion | 
        Maj William A. Kengla | 
      
      
        | 8th Marine Regiment (2Nov42-8Feb43) | 
      
      
        | CO | 
        Col Richard H. Jeschke | 
      
      
        | 1st Battalion | 
        LtCol Miles S. Newton (to 22Nov) | 
      
      
        |   | 
        LtCol Joseph P. McCaffery (from 23Nov) | 
      
      
        | 2nd Battalion | 
        LtCol John H. Cook, Jr. | 
      
      
        | 3rd Battalion | 
        LtCol Augustus H. Fricke | 
      
      
        | 10th Marine Regiment (7Aug42-8Feb43) | 
      
      
        1st Battalion 
(4Nov42-8Feb43) | 
        LtCol Presley M. Rixey | 
      
      
        2nd Battalion 
(4Jan43-8Feb43) | 
        Maj George R.E. Shell | 
      
      
        3rd Battalion 
(7Aug42-8Feb43) | 
        LtCol Manly L. Curry (to 17Oct) | 
      
      
        |   | 
        LtCol Donovan D. Sult (18Oct-27Nov) | 
      
      
        |   | 
        LtCol Manly L. Curry (from 28Nov) | 
      
      
        | 2nd Aviation Engineer Battalion
(30Jan43-8Feb43) | 
      
      
        | CO | 
        Maj Charles O. Clark | 
      
      
        | 11th Defense Battalion (17Jan43-8Feb43) | 
      
      
        | CO | 
        Col Charles N. Muldrow | 
      
      
        | Marine Air Units | 
      
      
        | 1st Marine Aircraft Wing, Headquarters
Detachment (3Sep42-8Feb43) | 
      
      
        | CG | 
        MajGen Roy S. Geiger | 
      
      
        | CofS | 
        BriGen Louis B. Woods | 
      
      
        | W-1 | 
        LtCol Perry O. Parmelee (to 20Nov) | 
      
      
        |   | 
        Capt James G. Hopper (21Nov-20Dec) | 
      
      
        |   | 
        LtCol Thomas G. Ennis (from 21Dec) | 
      
      
        | W-2 | 
        LtCol John C. Munn | 
      
      
        | W-3 | 
        Col Lawson H.M. Sanderson (to 31Dec) | 
      
      
        |   | 
        Col Christian F. Schilt (from 1Jan) | 
      
      
        | W-4 | 
        Col Christian F. Schilt (to 31Dec) | 
      
      
        |   | 
        LtCol Albert D. Cooley (from 1Jan) | 
      
      
        | HqSn-1 | 
        Capt Herman J. Jesse | 
      
      
        | 2nd Marine Aircraft Wing, Forward Echelon
(26Dec42-8Feb43) | 
      
      
        | CG | 
        BriGen Francis P. Mulcahy | 
      
      
        | CofS | 
        Col Walter G. Farrell | 
      
      
        | W-1 | 
        2dLt Robert E. Coddington | 
      
      
        | W-2 | 
        LtCol Elmer H. Salxman | 
      
      
        | W-3 | 
        LtCol Joe A. Smoak (to 29Jan) | 
      
      
        |   | 
        LtCol William C. Lemly (from 30Jan) | 
      
      
        | W-4 | 
        LtCol Franklin G. Cowie | 
      
      
        | HqSn-2 | 
        Maj William K. Snyder | 
      
      
        | Marine Aircraft Group 14 (16Oct42-8Feb43) | 
      
      
        | CO | 
        LtCol Albert D. Cooley (to 17Dec) | 
      
      
        |   | 
        Col William O. Brice | 
      
      
        | HqSn-14 | 
        Capt Claude J. Carson, Jr. (to 17Nov) | 
      
      
        |   | 
        Capt Stanley M. Adams (from 18Nov) | 
      
      
        | SMS-14 | 
        Maj Arthur R. Stacey | 
      
      
        | Marine Aircraft Group 23 (20Aug42-4Nov42) | 
      
      
        | CO | 
        Col William J. Wallace | 
      
      
        | HqSn-23 | 
        MG Harland W. Bond (to 24Oct) | 
      
      
        |   | 
        LtCol Charles L. File (from 25Oct) | 
      
      
        | SMS-23 | 
        2dLt Joseph A. Pawloski | 
      
      
        | Marine Aircraft Group 25, Advance
Detachments (3Sep42-8Feb43) | 
      
      
        | CO | 
        LtCol Perry K. Smith | 
      
      
        | HqSn-25 | 
        Maj Leonard W. Ashwell (to 17Nov) | 
      
      
        |   | 
        Capt Dave J. Woodward, Jr. (from 18Nov) | 
      
      
        | SMS-25 | 
        Maj Leonard W. Ashwell (to 23Dec) | 
      
      
        |   | 
        Capt Ralph R. Yeaman (from 24Dec) | 
      
      
        | Marine Fighter Squadron 112 (2Nov42-8Feb43) | 
      
      
        | CO | 
        Maj Paul J. Fontana (to 31Dec) | 
      
      
        |   | 
        2dLt Alexander A. Case (1-6Jan) | 
      
      
        |   | 
        Maj Paul J. Fontana (from 7Jan) | 
      
      
        | Marine Fighter Squadron 121 (2Oct42-28Jan43) | 
      
      
        | CO | 
        Maj Leonard K. Davis (WIA 11Nov, to 16Dec) | 
      
      
        |   | 
        MG William F. Wilson (17-31Dec) | 
      
      
        |   | 
        Maj Donald K. Yost (from 1Jan) | 
      
      
        | Marine Fighter Squadron 122 (12Nov42-8Feb43) | 
      
      
        | CO | 
        Capt Nathan T. Post, Jr. (to 21Nov) | 
      
      
        |   | 
        Capt James R. Anderson (22Nov-10Dec) | 
      
      
        |   | 
        2dLt John F. Tenvole (11-23Dec) | 
      
      
        |   | 
        Maj Elmer E. Brackett, Jr. (24-29Dec) | 
      
      
        |   | 
        Capt Nathan T. Post, Jr. (30Dec-11Jan) | 
      
      
        |   | 
        Maj Elmer E. Brackett, Jr. (from 12Jan) | 
      
      
        | Marine Fighter Squadron 123, Flight Echelon
(3Feb43-8Feb43) | 
      
      
        | CO | 
        Maj Edward W. Johnston | 
      
      
        | Marine Fighter Squadron 124, Flight Echelon
(3Feb43-8Feb43) | 
      
      
        | CO | 
        Maj William E. Gise | 
      
      
        | Marine Scout-Bomber Squadron 131
(11Nov42-8Feb43) | 
      
      
        | CO | 
        LtCol Paul Moret (to 20Nov) | 
      
      
        |   | 
        Capt Jens C. Aggerbeck, Jr. (from 21Nov) | 
      
      
        | Marine Scout-Bomber Squadron 132
(1Nov42-19Jan43) | 
      
      
        | CO | 
        Maj Joseph Sailer, Jr. (KIA 7Dec) | 
      
      
        |   | 
        Maj Louis B. Robertshaw (from 7Dec) | 
      
      
        | Marine Scout-Bomber Squadron 141
(23Sep42-17Jan43) | 
      
      
        | CO | 
        Maj Gordon A. Bell (KIA 14Oct) | 
      
      
        |   | 
        1stLt Wortham S. Ashcroft (from 14Oct, KIA 8Nov) | 
      
      
        |   | 
        1stLt Robert M. Patterson (8-11Nov) | 
      
      
        |   | 
        2dLt Walter R. Bartosh (12-17Nov) | 
      
      
        |   | 
        Maj George A. Sarles (18Nov-16Dec) | 
      
      
        |   | 
        Capt Claude A. Carlson, Jr. (from 17Dec) | 
      
      
        | Marine Scout-Bomber Squadron 142
(12Nov42-8Feb43) | 
      
      
        | CO | 
        Maj Robert H. Richard | 
      
      
        | Marine Scout-Bomber Squadron 144, Flight
Echelon (5Feb43-8Feb43) | 
      
      
        | CO | 
        Capt Roscoe N. Nelson | 
      
      
        | Marine Utility Squadron 152, Flight Echelon
(21OCt42-8Feb43) | 
      
      
        | CO | 
        Maj Elmore W. Seeds | 
      
      
        | Marine Photographic Squadron, Flight Echelon
(10Nov42-8Feb43) | 
      
      
        | CO | 
        LtCol Elliot E. Bard | 
      
      
        | Marine Fighter Squadron 212, Flight Echelon
(17Aug42-21Nov42) | 
      
      
        | CO | 
        LtCol Harold W. Bauer (KIA 14Nov) | 
      
      
        |   | 
        Maj Frederick R. Payne, Jr. (from 14Nov) | 
      
      
        | Marine Fighter Squadron 223 (20Aug42-16Oct42) | 
      
      
        | CO | 
        Maj John L. Smith | 
      
      
        | Marine Fighter Squadron 224 (30Aug42-2Nov42) | 
      
      
        | CO | 
        Maj Robert E. Galer | 
      
      
        | Marine Scout-Bomber Squadron 231, Flight
Echelon (30Aug42-14Nov42) | 
      
      
        | CO | 
        Maj Leo R. Smith (to 18Sep) | 
      
      
        |   | 
        Capt Ruben Iden (from 19Sep, KIA 20Sep) | 
      
      
        |   | 
        Capt Elmer G. Glidden, Jr. (from 20Sep) | 
      
      
        | Marine Scout-Bomber Squadron 232
(20Aug42-2Nov42) | 
      
      
        | CO | 
        LtCol Richard C. Mangrum | 
      
      
        | Marine Scout-Bomber Squadron 233
(25Dec42-8Feb43) | 
      
      
        | CO | 
        Maj Clyde T. Mattison (to 19Jan) | 
      
      
        |   | 
        Capt Elmer L. Gilbert (from 20Jan) | 
      
      
        | Marine Scout-Bomber Squadron 234, Flight
Echelon (28Jan43-8Feb43) | 
      
      
        | CO | 
        Maj William D. Roberson | 
      
      
        | Marine Observation Squadron 251
(19Aug42-8Feb43) | 
      
      
        | CO | 
        LtCol John N. Nart (to 29Oct) | 
      
      
        |   | 
        LtCol Charles H. Hayes (30Oct-30Nov) | 
      
      
        |   | 
        Capt Ralph R. Yeaman (1-7Dec) | 
      
      
        |   | 
        Maj William R. Campbell (8-10Dec) | 
      
      
        |   | 
        Maj Joseph N. Renner (from 11Dec) | 
      
      
        | Marine Utility Squadron 253 (3Sep42-8Feb43) | 
      
      
        | CO | 
        Maj Harold A. Johnson (to 11Oct) | 
      
      
        |   | 
        Maj Henry C. Lane (from 12Oct) |