The Wyoming Air National Guard's 153rd Civil Engineering Squadron fire department took part in a mass casualty exercise at the Cheyenne Regional Airport on July 20, 2011. The unit members trained participated in the exercise to test their ability to respond with airport personnel, local fire fighters and emergency medical personal from Cheyenne. Video and Story by MSgt Paul Mann, Wyoming Air National Guard Public Affairs. Interview with John Kopper, WY ANG Fire Department.