CHEYENNE MOUNTAIN AIR FORCE STATION, Colo. – Firefighters from the Colorado Springs Fire Department and the Chyenne Mountain Air Force Station Fire Department conducted a joint training mission at the Cheyenne Mountain AFS, Colo., fire training area, June, 9, 2017. The training consisted of the flashover trainer seen here and use of the three-story fire training building. ( Air Force photo by Steve Kotecki)

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