06/17/1952
https://www.presidency.ucsb.edu...
"In furtherance of national planning for the utilization of the personnel, materials, facilities, and services of the Federal departments and agencies which will be required in the event of a civil-def..."
"The personnel, materials, and facilities required for this purpose shall be exclusive of the personnel, materials, and facilities required for the execution of the plans prepared pursuant to section 1..."
"The Federal Civil Defense Administrator shall assist the departments and agencies by indicating the types of personnel, materials, facilities, and services considered useful for civil-defense purposes..."
"I hereby extend for a period of nine months all enlistments in any component of the Army, in the United States Navy and the United States Marine Corps, including the Naval Reserve and the Marine Corps..."