Both Humboldt and Tanahmerah were developed with naval base, ammunition, repair and fuel facilities. The facilities in the area were designated Base G. Several higher headquarters were moved to the area, including those of the Sixth Army, Eighth Army, Fifth Air Force, and Seventh Fleet.
The Humboldt and Tanahmerah projects were built with naval bases, ammunition depots, repair shops, and fuel storage facilities. The local area was designated as Base G, and several key military headquarters, including those of the Sixth Army, Eighth Army, Fifth Air Force, and Seventh Fleet, were relocated to the site.