Marines and sailors attached to Combat Logistics Battalion 24, 2nd Marine Logistics Group stand in an accountability formation aboard Camp Allen, Va., prior to driving a convoy to Naval Amphibious Base Little Creek, Va., during a Defense Support of Civil Authorities, or DSCA, training exercise, Aug. 21, 2013. The service members conducted many of the operations, which would occur during a DSCA mission in the event of a natural disaster.