Paul T Singley Contact 865.576.2068 | SINGLEYPT@ORNL.GOV All Publications MULTI-MODAL CHALLENGES IN THE INTERNATIONAL TRANSPORT OF NUCLEAR AND RADIOACTIVE MATERIALS (THE ONLY INTERESTING PARTS OF A SYSTEM ARE THE INTERFACES.) SPECIAL FLEET MAINTENANCE FUNCTIONS, REQUIREMENTS, AND FACILITY CONCEPTS ... Key Links ORCID Organizations National Security Sciences Directorate Nuclear Nonproliferation Division Nuclear and Radiological Security Section Learning Sciences Group