U. S. Air Force Senior Master Sgt. Brian Jansen, fire chief of the 139th Fire Department, briefs participants during a joint HAZMAT field training exercise held at Rosecrans Air National Guard Base on June 3, 2015. The training included members from Missouri’s Region H HAZMAT Response Team, Missouri National Guard’s 7th Civil Support Team, the 139th Fire Department, and the 139th Emergency Management Services. (U.S. Air National Guard photo by Senior Airmen Bruce Jenkins)