Battle of Tarawa

Overview

The Battle of Tarawa was fought on 20–23 November 1943 between the United States and Japan on Tarawa Atoll in the Gilbert Islands, now part of the Republic of Kiribati but then a Japanese-occupied British colony. The battle was part of Operation Galvanic, the U.S. invasion of the Gilberts. Nearly 6,400 Japanese, Koreans, and Americans died during the battle, mostly on and around the small island of Betio, in the extreme southwest of Tarawa Atoll. At the time, Betio was only 118 hectares.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Tarawa was fought as part of Operation Galvanic, the U.S. invasion of the Gilbert Islands, then a Japanese-occupied British colonial territory. Concentrated on the tiny island of Betio — just 118 hectares — the battle resulted in nearly 6,400 dead on both sides over four days. Against a Japanese garrison of roughly 2,600, a U.S. force of 35,000 suffered over 1,000 killed, a casualty rate that drew immediate attention to the costs of amphibious assault against fortified Pacific island positions. The engagement demonstrated that seizing small, heavily defended atolls would require substantial resources and produce severe losses even when the attacking force held overwhelming numerical superiority. As an early test of the Central Pacific drive, Tarawa provided operational and tactical lessons that shaped subsequent American amphibious planning across the island-hopping campaign.

Forces & casualties

Commanders (9)