During the 2017 hurricane season, U.S. Army North (ARNORTH) directed the 3rd Expeditionary Sustainment Command (ESC) headquarters to have mission command over sustainment operations for the relief efforts following three devastating hurricanes: Harvey in Texas, Irma in Florida, and Maria in Puerto Rico. Unlike offensive, defensive, and stability tasks in decisive action, sustainment is the main effort during defense support of civil authorities (DSCA) events.
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