_1st SP Bn, less dets_ LtCol H. P. CROWE H&S Co, 1st SP Bn, less dets SP Comm Sec, 1st Sig Bn Team 3, SP Gp B 3d Plat, Co B, 1st SP Bn Equip Sec, Co B, 1st SP Bn SP Comm Sec, 1st Sig Bn Det, Ord Sup Plat, CSG Det, Auto Sup Plat, CSG Det, Engr Sup Plat, CSG Det, Sig Sup Plat, CSG Det, GS Plat, CSG Det, Depot Plat, CSG _Rcn Co, 1st MAR Div_ Capt K. J. HOUGHTON _1st Amph Trac Bn, FMF_ LtCol E. F. WANN _VMO-6_ Maj V. J. GOTTSCHALK _ROK Marine Regt_ (-) Col SHIN, KMC _2d Engr Spec Brig reinf_ Col J. TWITTY, USA 1st CSG, SC, FMF, less dets 1st Fum & Bath Plat 1st Aerial Del Plat Naval Beach Gp 1, less dets 7th MT Bn, SC, FMF 73d Engr (C) Bn, USA 50th Engr Port Const Co, USA 65th Ord Amm Co, USA (3) RCT-7 Task Organization on landing at INCHON, KOREA, 21 September. Attachments reverted to parent control on arrival assembly areas. _RCT-7_ Col H. L. LITZENBERG 7th Mar 3d Bn, 11th Mar Co D, 1st MT Bn Co D, 1st Tk Bn Co D, 1st Engr Bn Co E, 1st Med Bn Co C, 1st SP Bn Det, 1st Sig Bn (ANGLICO & 2 SP Comm Sec) (4) Intermediate temporary attachments and detachments during the period 15 September-7 October. 18 Sept--32nd RCT USA attached 1st Mar Div 19 Sep--SpOpnsCo USA attchd 1st Mar Div 32nd RCT detached 1st MarDiv reverted to 7th Inf Div 23 Sep--17th ROK Regt attchd 1st Mar Div 17th ROK Regt detached 1st Mar Div 24 Sep--3d Bn, 187th Airborne RCT USA Attchd 1st Mar Div 3d Bn, KMC Regt detached 1st Mar Div attached 3d Bn, 187th AB RCT 1st Amph Trac Bn, FMF, less 3 Cos, detached 1st Mar Div attchd 7th Inf Div Co A, 1st Amph Tk and Trac Bn, USA, detached 1st Mar Div attchd 7th Inf Div 25 Sept--3d Bn, 187th AB RCT detached 1st Mar Div, attchd X Corps 3d Bn, KMC Regt det 3d Bn, 187th AB RCT attchd 1st MarDiv 161st KMC Bn (redesignated 5th KMC Bn) attchd 1st Mar Div Sp Opns Co, USA detached 1st Mar Div, attchd 3d Bn, 187th AB RCT 26 Sep--3d Bn KMC Regt detached 1st Mar Div, attchd 187th AB RCT (TF ABLE) 29 Sep--1st Amph Trac Bn, less 3d Cos, detached 7th Inf Div attchd 1st Mar Div 96th FA Bn, USA detached 1st Mar Div 30 Sep--50th AAA(AW)Bn attached 1st Mar Div 3 Oct--50th AAA(AW)Bn detached 1st Mar Div (5) Completion of INCHON-SEOUL operation, 7 October, and prior to mounting out at INCHON. _1st Marine Division Reinf, FMF_ MajGen O. P. SMITH HqBn, 1st MarDiv 163d MISD 441st CIC Civ Asst Team LtCol M. T. STARR 1st Sig Bn Carrier Plat, FMF Maj R. L. SCHREIER 1st Serv Bn LtCol C. L. BANKS 1st Ord Bn Maj L. O. WILLIAMS