CES teaching CBRN
Senior Airman Bonnie Aubin, 4th Civil Engineer Squadron emergency management journeyman (right), checks an Airman for discrepancies in their mission-oriented protective posture gear during a chemical, biological, radioactive, and nuclear hands-on course, May 2, 2017, at Seymour Johnson Air Force Base, North Carolina. One mistake can create a pathway for a chemical agent to penetrate the gear. (U.S. Air Force photo by Airman 1st Class Kenneth Boyton)