Members from the 91st Civil Support Team and Show Low Fire Department gather for a briefing prior to beginning a hazardous materials recovery mission, June 4. The 91st CST from the Arizona National Guard participated in a northern regional exercise, from June 3 to 6. The exercise, which was located in the cool pines of Show Low, involved local first responders, the 83rd CST from the Montana National Guard, and various other state and federal agencies.