Members of the Michigan National Guard’s 51st Civil Support Team walk in a smoke filled room during Northern Exposure 21, March 16, 2021, at Mt. Pleasant, Michigan. Northern Exposure 21 was integrated with another exercise known as Rising Waters 2021. This year's scenario was catastrophic flooding leading to chemical contamination, which was followed by a possible WMD situation. (U.S. Air National Guard photo by Senior Airman Tristan D. Viglianco)