Members from Joint Task Force Civil Support complete paperwork prior to receiving necessary vaccinations during a medical readiness review here Feb. 20, 2014. Staying up to date on medical readiness is just one way JTF-CS members can maintain their ability to rapidly respond and remain healthy in the event of a natural or man-made disaster in the United States. JTF-CS anticipates, plans and prepares for chemical, biological, radiological, and nuclear Defense Support to Civil Authorities (CBRN-DSCA) response operations.