The Atlanta Fulton County Emergency Management Agency and 40 other agencies all converge at Greenbriar Mall as they prepare for the Vista Forge ATL exercise. Residents living near Greenbriar are being told to expect a lot of public safety activity and personnel in the area. Hear more from Atlanta Fulton County Emergency Management Agency Chayne Sparagowski. We always have lessons we can learn in these exercises. Whether it's working together, maybe it's some of the decontamination processes, maybe it's procedures that we have, plans that we've written maybe don't drive properly so that's really the point of these exercises.