At 23:43, Scott—still unsure who his ships were firing at, and afraid that they might be firing on his own destroyers—ordered a ceasefire at 23:47, although not every ship complied. Approaching Cape Hunter on the northwest corner of Guadalcanal, Hall, flying his flag from The American formation was beginning to scatter, so Scott ordered a turn to 205° to disengage.During the battle between Scott's and Gotō's ships, Jojima's reinforcement group completed unloading at Guadalcanal and began its return journey unseen by Scott's warships, using a route that passed south of the Russell Islands and New Georgia. Guadalcanal (lower right) lies at the southeastern end of "Due to the heavier concentration of Japanese surface combat vessels and their well positioned logistical base at Simpson Harbor, Rabaul, and their victory at the Battle of Savo Island in early August, the Japanese had established operational control over the waters around Guadalcanal at night. However, the Battle of Cape Esperance provided a significant morale boost to the US Navy after the disaster of Savo Island. The objective was to deny the islands to the Japanese as bases for threatening the supply routes between the U.S. and Australia, and secure starting points for a campaign to isolate the major Japanese base at Rabaul while also supporting the Allied New Guinea campaign.