(i) The first assault crossing of the Han River (400 yards wide at the crossing site) was executed by RCT-5, employing LVTs, DUKWs, and pontoon ferries, less than five days after landing at Inchon.
(j) The remainder of the Division crossed the Han River without bridging, and after intense fighting completed the seizure of Seoul 12 days after landing at Inchon.
(k) The effectiveness of the Marine air-ground team and close air support doctrine were reaffirmed with outstanding success.
(l) The ability of Marine units to participate in extended land operations, provided additional transportation requirements are met during the emergency, was demonstrated in the Inchon-Seoul operation.[471]
[471] O. P. Smith, Notes, 365–366.
In any such summary, it is understood that credit for the accomplishments of the 1st Marine Division was shared by the 1st Marine Aircraft Wing. Two more days of fighting remained for the squadrons at Kimpo after the relief of the ground forces, since Marine air operations cover the period from 7 September to 9 October 1950. Altogether, 2,774 combat sorties were flown by the five Marine squadrons during this 33-day period, most of them in close support of infantry units. Following are the totals:
| Squadron | Days in Action | Combat Sorties |
| VMF-214 | 16 | 484 |
| VMF-323 | 22 | 784 |
| VMF-212 | 19 | 607 |
| VMF-312 | 10 | 288 |
| VMF(N)-542 | 19 | 573 |
| Total | [472]2,774 |
[472] Summaries and statistics for Marine air have been derived form: 1st MAW SAR, Annexes Able, Item, Jim, Queen, Sugar; also E. H. Giusti and K. W. Condit, “Marine Air over Inchon-Seoul,” Marine Corps Gazette, 36, no. 6 (Jun 52): 19–27.
Note that the total of 2,774 combat sorties includes 38 flown by two aircraft of VMF-312, which began operating from Kimpo nine days before the rest of the squadron arrived.
“No enemy air operations of any significance were encountered,” stated the TAC X Corps report. “Some enemy antiaircraft fire from light to moderate was encountered. Most of this AA fire was of small caliber.”