Why was Tarawa important during World War II?

During World War II, Tarawa was a site of significant strategic importance as part of the Allied offensive in the central Pacific. In November 1943, U.S. forces invaded the Gilbert Islands to speed the pace of the war and draw Japanese forces away from other regions.1

Tarawa was heavily fortified by Japanese occupation forces, and its capture by the U.S. Marines in 1943 involved fierce fighting that resulted in heavy casualties, with 1,000 Americans killed and 2,300 wounded. The lessons learned from the difficult assault on Tarawa—specifically regarding the limitations of preliminary naval bombardment against well-fortified positions—were carefully studied and applied by Allied commanders when planning subsequent operations, such as the invasion of the Marshall Islands in 1944.213