Residents said the store was more than a place for them to get groceries and gasoline, but a sign their town was a survivor.
The twister that struck Greensburg on May 4, 2007, destroyed 90 percent of the south-central Kansas town and killed 11 people.
Napolitano is making her first visit to states since being confirmed by the Senate to head the agency.
(Copyright 2009 by The Associated Press. All Rights Reserved.)