Fifth Wednesdays provide mutual aid training for first responders
First responders with the city of Cheyenne, Laramie county and F.E. Warren Air Force Base participate in mutual aid training to learn emergency procedures related to chemical, biological, radiological and nuclear, May 30, 2018 in Cheyenne, Wyoming. (U.S. Air National Guard photo by Senior Master Sgt. Charles Delano)

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Photo by: Senior Master Sgt. Charles Delano |  VIRIN: 180530-Z-PA223-1008.JPG