 United States Pacific Fleet
Admiral Chester W. Nimitz
US Third Fleet
Admiral William F. Halsey, Jr.

Joint Expeditionary Force (Task Force 31)
Vice Admiral Theodore S. Wilkinson

Expeditionary Troops (Task Force 36)
III Amphibious Corps
Major General Julian C. Smith, USMC

Western Landing Force (TG 36.1)
Major General Roy S. Geiger, USMC

1st Marine Division
Beach assignments

Palau District Group
Lieutenant General Inoue Sadao (HQ on Koror Island)
Vice Admiral Yoshioka Ito
Maj. Gen. Kenjiro Murai

14th Division (Lt. Gen. Sadao)
Peleliu Sector Unit (Lt. Col. Kunio Nakagawa)

U.S. Marines landed on Peleliu at 08