The US military must create standing, numbered, and regionally aligned Joint warfighting headquarters— American Expeditionary Forces (AEFs)—around a command council and a staff organized into Joint centers and cells. Calls for standing Joint force headquarters are not new, but the demonstrated military effectiveness of the Joint Task Force (JTF) model coupled with increasing service-specific resource requirements and tightening fiscal constraints have resulted in little evolution in joint force headquarters construction since the end of World War II. Analysis of the historical record has shown that joint warfighting is best conducted with a Joint warfighting command subordinate to the geographic combatant commands. However, the Joint Task F...