2+ hour, 33+ min ago  (297+ words) February 27, 2026 Jerry Sergei Davydov, CNS Non-Resident Fellow Margarita Kalinina-Pohl, CBRN Security Program Director Sponsored by the U.S. Department of Energy / National Nuclear Security Administration (DOE/NNSA) Office of Radiological Security (ORS), and taught by experts from CNS, PNNL, Y-12, the course reinforced…...