<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (April 2008) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (April 2008) (Learn how and when to remove this template message) </Td> </Tr> <P> The Emergency Broadcast System (EBS), occasionally called the Emergency Broadcasting System and sometimes called the Emergency Action Notification System (EANS), is a former emergency warning system used in the United States . It replaced the previous CONELRAD system and was used from 1963 to 1997, at which point it was replaced by the Emergency Alert System . </P> <P> "The system was established to provide the President of the United States with an expeditious method of communicating with the American public in the event of war, threat of war, or grave national crisis ." The Emergency Broadcast System replaced CONELRAD on August 5, 1963 . In later years, it was expanded for use during peacetime emergencies at the state and local levels . </P>

When was the last time the emergency broadcast system was used