The 1st Infantry (TABAK) Division, Philippine Army conducts Internal Security Operations (ISO) in the AOR to dismantle and destroy the remaining guerilla fronts of the LCM, the MILF, and the Abu Sayyaf Group
 in order to attain  peace  and  stability  conducive  to  sustainable development; assists the  government  in  its  socio-economic development projects; and assists the PNP curb criminalities in the AOR.