South Pacific
In July 1942 the South Pacific Area, under Admiral Robert L. Ghormley, superseded by Admiral William Halsey Jr. from 16 October, comprised four commands: Amphibious Forces, South Pacific (AmphibForSoPac), under Admiral Richmond K. Turner, South Pacific Naval Forces under Admiral Ghormley, U.S. Army Forces South Pacific under Major General Millard Harmon, and South Pacific Air Forces under Admiral John S. McCain, Sr.. At a later stage Transport Group, South Pacific (TransGrpSoPac) was added to the organisation.