[481] Includes Detachments of Naval Beach Group 1.
[482] Includes Anti-Tank Platoons of the Antitank Companies of the 1st and 5th Marines.
[483] Includes Battery C, 1st 4.5″ Rocket Bn, FMF.
[484] Includes 1st Fumigation and Bath Plat., FMF; 1st Aerial Delivery Plat., FMF; and Naval Beach Group 1 (less dets. with the 1st Shore Party Bn).
Distribution of Units of the Division Not Participating in the Inchon Landing
The following units of the Division, distributed as indicated, did not participate in the Inchon Landing:
| Marine Corps | Navy | Total | ||||
| Officers | Enlisted | Officers | Enlisted | Officers | Enlisted | |
| RCT-7, en route to the Far East. | 233 | 4,905 | 21 | 224 | 254 | 5,129 |
| Administrative Center Pusan, Korea | 9 | 172 | 1 | 9 | 173 | |
| Division Administrative Center, 1st Armd Amph TracBn, 17-year-olds and casuals at Kobe, Japan | 59 | 1,268 | 3 | 14 | 62 | 1,282 |
| Total | 301 | 6,345 | 24 | 239 | 325 | 6,584 |
APPENDIX G
Summary of Operation Orders Issued by 1st Marine Division for the Inchon-Seoul Campaign
| 1-50 | 9 Aug 50 | Movement of the Division to the Far East |
| 2-50 | 4 Sep 50 | Inchon Landing |
| 3-50 | 15 Sep 50 (2328) | Seizure of Objective O-3 short of the FBHL |
| 4-50 | 16 Sep 50 (1045) | Seizure of FBHL |
| 5-50 | 16 Sep 50 (1600) | Capture of Kimpo Airfield. Prepare to seize Corps Phase Line C-C |
| 6-50 | 18 Sep 50 (1814) | Seizure and preparation of crossing of Han River by 5th Marines. 1st Marines to continue attack relieved on the right (south) flank by the 32nd Infantry now attached to 1st MarDiv |
| 7-50 | 19 Sep 50 (1430) | Crossing of the Han River by the 5th Marines and uncovering crossing sites by 1st Marines |
| 8-50 | 20 Sep 50 | Continuation of attack by 5th Marines toward Seoul to uncover the northern approaches of the main Seoul bridge sites. Continuation of attack by 1st Marines to seize the southern and western approaches and the Seoul bridge sites, prepared to cross the Han River in that vicinity |
| 9-50 | 23 Sep 50 (1200) | Continuation of attack by 1st Marines to seize high ground south of the road and rail bridges leading to Seoul prepared to cross the Han River. Continuation of attack by 5th Marines to uncover the bridge sites. Crossing of the Han River at Haengju by the 7th Marines to seize objectives covering the north flank of the Division |
| 10-50 | 23 Sep 50 (2200) | Crossing of the Han River by the 1st Marines. Continuation of the attack by the 5th Marines. 7th Marines to continue or Mission assigned by 1st MarDiv OpnO 9-50 |
| 11-50 | 24 Sep 50 (2400) | Continuation of the attack with all three regiments to capture Seoul and the high ground north thereof |
| 12-50 | 26 Sep 50 (1230) | Continuation of the attack to capture Seoul. Boundary between 5th and 7th Marines changed to pinch out 5th Marines beyond the Government Palace. The 7th Marines to make an enveloping attack from the northwest |
| 13-50 | 29 Sep 50 (2000) | Continuation of the attack to the east to secure Seoul and conduct a reconnaissance in force to the northwest prepared to relieve elements of the 7th Infantry Division north of the Han River. Seizure of prescribed Corps blocking positions |
| 14-50 | 30 Sep 50 (1500) | Continuation of the attack and prescription of blocking positions to be occupied by the Division |
| 15-50 | 5 Oct 50 | Movement of the Division to staging area in the vicinity of Inchon in anticipation of the move in assault shipping to Wonsan |