Oak Ridge National Laboratory is a global leader in science-based solutions for complex security threats that put public safety, national defense, and the economy at risk. Through a multidisciplinary approach, ORNL applies signature strengths in nuclear science, high-performance computing, energy, advanced materials, neutron science, and other areas to enduring and emerging threats to national security. The results are real-world technological solutions, critical scientific input to decision makers, and vital training for federal agencies and international partners.