Office of Civil Defense

The Office of Civilian Defense was established by President Franklin D. Roosevelt in May 1941. It was responsible for planning community health programs and medical care of civilians in the event of a military attack on the United States. It was an independent agency and not associated with the United States Department of War. Wikipedia*

On the C-SPAN Networks:
Office of Civil Defense has hosted 1 event in the C-SPAN Video Library; the first program was a 1969 Vignette.