Buna, Gona, Sanananda (New Guinea WWII)

The Battle of Buna–Gona was part of the New Guinea campaign in the Pacific Theatre during World War II. It followed the conclusion of the Kokoda Track campaign and lasted from 16 November 1942 until 22 January 1943. The battle was conducted by Australian and United States forces against the Japanese beachheads at Buna, Sanananda and Gona.
https://en.wikipedia.org/wiki/Battle_of_Buna%E2%80%93Gona
Supplies, including food, were a major problem for both the Allied and Japanese forces. The Japanese were at first resupplied by destroyers who slipped through from Rabaul, and later by submarines that arrived by night, until the Allies' increasingly effective air and naval forces cut off further supply. After the battle ended, the Allies found evidence of cannibalism among the Japanese.
https://www.asisbiz.com/Battles/Battle-of-Buna-Gona.html