LANGLEY AIR FORCE BASE, Va. – Tech. Sgt. Michael Woodburn, 633d Aerospace Medicine Squadron, and Senior Airman William Volpenhein, 633d Civil Engineer Squadron, head for building 1352 to scan for hazardous materials during a Chemical Biological Radiology Nuclear Challenge Jan. 14. The fifth annual CBRNE challenge is an exercise that tests the base’s hazardous incident response capabilities. (U.S. Air Force photo/ Senior Airman Dana Hill)