U.S. Air Force Senior Airman Eric McComb and U.S. Army Staff Sgt. Andrew Markham, both Chemical, Biological, Radiological and Nuclear (CBRN) technicians with the 103rd Weapons of Mass Destruction-Civil Support Team (WMD-CST), out of Kulis Air National Guard Base, Alaska, walk toward a building with potential CBRN threats Aug. 23, 2016, at the Fairbanks Regional Fire Training Center in Fairbanks, Alaska. The 103rd WMD-CST is a joint unit thats includes both Alaska Air National Guard and Alaska Army National Guard. (U.S. Air Force photo by Airman Isaac Johnson)