The 250th E-MIBn is designed to receive, integrate, employ, and sustain intelligence enterprise capabilities in support of division, brigade combat team, joint task force commanders, and the rest of the Intelligence Community.

The size and composition of the deployed E-MIBn and its subordinate organizations is dependent on the missions required to be performed in theater.

The battalion is also prepared to provide Defense Support to Civil Authorities (DSCA) and respond to domestic emergencies as designated by the Governor of California.

HHD provides Command and Control (C2) of assigned or attached units for the Expeditionary Military Intelligence Brigade (E-MIBn).

It consists primarily of Processing, Exploitation, and Dissemination (PED) capabilities and Multi-Function Team (MFT) intelligence support.