JP 3-28, page 49

Supporting a Comprehensive All Hazards Response II-15 (3) The DCO is supported by the defense coordinating element (DCE), an administrative and support staff. (4) Depending on severity of the event and the type of DOD response required, the DCE may also be augmented by specialty staff augmentees, additional personnel from the Services, and additional LNOs in the form of emergency preparedness liaison officers (EPLOs). (5) Under exigent circumstances, the supported CCDR retains the option to employ DCOs in a C2 role. For more information on DCO, refer to DODI 3025.23, Domestic Defense Liaison with Civil Authorities. d. EPLOs. EPLO positions are authorized in each FEMA region and state from the Title 10, USC, reserve forces (see Figure II-1). Not all Services field state EPLOs. EPLOs provide DOD liaison with NG JFHQs-State and FEMA regional organizations and agencies; facilitate planning, coordination, and training for DSCA and national security emergency preparedness; advise federal agencies and organizations on DOD capabilities and resources; advocate mutual support required by DOD; and, on order, augment DOD response for DSCA. The EPLO program is established by DODI 3025.16, Defense Figure II-1. Map of the Ten Federal Emergency Management Agency Regions V III I II X VIII IV VII VI IX Atlanta Denton Map of the Ten Federal Emergency Management Agency Regions Denver Kansas City Philadelphia New York Boston Chicago Oakland Seattle Washington, DC Hawaii Guam Puerto Rico United States Virgin Islands