The Battle of Okinawa , codenamed Operation Iceberg, was a major battle of the Pacific War fought on the island of Okinawa by United States Army and United States Marine Corps forces against the Imperial Japanese Army. The initial invasion of Okinawa on 1 April 1945 was the largest amphibious assault in the Pacific Theater of World War II. The Kerama Islands surrounding Okinawa were preemptively captured on 26 March by the 77th Infantry Division. The 82-day battle lasted from 1 April until 22 June 1945. After a long campaign of island hopping, the Allies were planning to use Kadena Air Base on the large island of Okinawa as a base for Operation Downfall, the planned invasion of the Japanese home islands, 340 mi (550 km) away.

The 7th Infantry Division is an active duty infantry division of the United States Army based at Joint Base Lewis-McChord charged with sustaining the combat readiness of two Stryker brigade combat teams (BCT), a combat aviation brigade, and a Division Artillery Unit, as well as participating in several yearly partnered exercises and operations in support of U.S. Army Pacific and the Indo-Pacific region. The 7th Infantry Division is the only active-duty multi-component division headquarters in the Army. The 7th Infantry Division is also home to two of the Army's newest enabling battlefield capabilities, the Multi Domain Task Force and the Intelligence, Information, Cyber, Electronic Warfare and Space Capabilities, or I2CEWS battalion.