5-40. CA and psychological operations units and other information-related capability (IRC) units support stability tasks during large-scale combat operations engaging the civilian population within the corps or division AO. They also target selected foreign civilian populations outside of those AOs. They publicize curfews, checkpoint procedures, evacuation routes, food and water distribution points, emergency health care, and necessary vector control measures to assist the overarching stability effort, minimize civilian casualties, facilitate freedom of movement, and avert potential humanitarian tragedies.