 Tactical Psychological Operations teams (TPTs) were employed to disseminate information by loudspeaker on locations of relief shelters and facilities.During such Defense Support of Civil Authorities (DSCA) operations, military public affairs activities, military civil authority information support (CAIS) activities, public information actions, and news media access to the DSCA operational area are subject to approval by the federal department or agency assigned primary responsibility for managing and coordinating a specific emergency support function in the National Response Framework.Since October 2018, PSYOP forces may be employed domestically for such CAIS activities during an emergency under direction of the Department of Homeland Security.