My testimony discusses the challenges federal agencies face in securing radiological sources in the United States and the steps agencies are taking to improve security. A potential vulnerability of radiological sources was highlighted last december when a truck in mexico caring cobalt 60 source buy highrisk source was stolen. In a report being issued today we examine two types of industrial radiological sources may mobile and stationary. We found loath posted 30 challenges even following Security Controls. Iaea officials have said the transportation of highrisk sources is the most honorable part of the nuclear and radiological supply chain. Energy requirements to ensure security for these mobile sources provide a general framework that is to be implemented by the licensing. Will intercede orders to security sources they do not explain how to do this by for example specifying the robustness that must be used or alarms installed and trucks. While all 15 industrial radiography companies r