U.S. Army Sgt. 1st Class Joe Cashion, a video broadcaster

U.S. Army Sgt. 1st Class Joe Cashion, a video broadcaster and Sgt. Erica Knight, a photojournalist with the 108th Public Affairs Detachment, South Carolina Army National Guard, conduct an interview at the Savannah River Site during an Ardent Sentry exercise with the 43rd Civil Support Team, near Allen, S.C., May 20, 2013. Ardent Sentry is a North American Aerospace Defense Command and U.S. Northern Command (USNORTHCOM)-directed exercise focusing on defense support of civil authorities in response to simulated weather, security and disaster contingencies. While Ardent Sentry is primarily a command post exercise, several field training events were conducted at various locations within the USNORTHCOM area of responsibility. (U.S. Air National Guard photo by Tech. Sgt. Caycee Watson/Released)