What is joint field office?
joint field office meaning in Military terminology / glossary / dictionary is:
A temporary multiagency coordination center established at the incident site to provide a central location for coordination of federal, state, local, tribal, nongovernmental, and private-sector organizations with primary responsibility for incident oversight, direction, or assistance to effectively coordinate protection, prevention, preparedness, response, and recovery actions. Also called JFO.
Source: JP 3-28