Naval Battle of Guadalcanal General Headquarters—with approval from the Emperor—agreed on 31 December to the evacuation of all Japanese forces from the island and establishment of a new line of defense for the Solomons on New Georgia. Thus, the Naval Battle of Guadalcanal was the last major attempt by the Japanese to seize control of the seas around Guadalcanal or to retake the island. In contrast, the U.S. Navy was thereafter able to resupply the U.S. forces at Guadalcanal at will, including the delivery of two fresh divisions by late December 1942. The inability to neutralize Henderson Field doomed the Japanese effort to successfully
Malaita 23 miles (37 km) wide at its widest point. Its length is in a north-northwest-to-south-southeast direction, but local custom and official use generally rotate it to straight north-south orientation, and generally refer to the "east coast" or "northern end," when northeast or northwest would be more accurate. To the southwest is the Indispensable Strait, which separates it from Guadalcanal and the Florida Islands. To the northeast and east is open Pacific Ocean, except for the small Sikaiana, part of the province 212 km northeast. To the northwest of the island is Santa Isabel Island. To the immediate southwest is South