A company of Marines, held in reserve just behind the front line, attacked and killed most, if not all, of the remaining Japanese soldiers that had breached the front line defenses, ending Ichiki's first assault about an hour after it had begun.
After this failure to deliver significant additional troops to the island, the Japanese commanders finally conceded defeat in the battle for Guadalcanal and evacuated most of their surviving troops by the first week of February 1943.
Although most of Shōji's troops had escaped from Koli Point, the inability of the Japanese to keep their forces on Guadalcanal adequately supplied or reinforced prevented them from contributing effectively to what turned out to be Japan's ultimately unsuccessful effort to hold the island or retake Henderson Field from Allied forces.
Although the Americans had come close to overrunning the Japanese rear areas in the early November offensive, it would not be until the final stages of the campaign that the U.S. finally captured Kokumbona.
Following the departure of the Completion Force, the only major seaworthy Japanese warships remaining in the Southwest Pacific were the heavy cruisers Ashigara and Haguro as well as the light cruiser Isuzu.
In cases where the charged servicemember remained in Japan, Japanese authorities often did not have access to question or interrogate the U.S. servicemember, making it difficult for Japanese prosecutors to prepare a case for indictment.
In December 2009 the Tokyo District Court dismissed one of the suits, stating that it was not possible to identify individuals who deserve compensation as almost all Japanese suffered as a result of the war.
In May 2012, the NSW state government announced that, with the approval of the Japanese government and the submariners' families, divers would be allowed to observe the M-24 wreck for a short period of time.
Serving as life president of the Far East Prisoners of War Association (FEPOW), he pushed for compensation for his fellow captives, eventually helping to obtain a token £5 million of frozen Japanese assets for this cause.
Since the Japanese exerted control over the nearby seas at night throughout the Guadalcanal campaign, any Allied ships in the Guadalcanal area that could not depart by nightfall often took refuge in Tulagi's harbor.
Some of these notions would remain until the end of the war, though, but the news of Milne Bay allowed some soldiers to rationalise the Japanese soldiers' past victories as being the result of tangible factors, such as numerical superiority, that could be overcome, rather than innate factors associated with the intangible qualities of the Japanese soldier that were not so easily overcome.
Teruo Nakamura, the last known holdout, emerged from his hidden retreat in Indonesia in December 1974, while two other Japanese soldiers, who had joined communist guerrillas at the end of the war, fought in southern Thailand until 1991.