In the context of FRD, what does FRD stand for?

The term FRD stands for Formerly Restricted Data. This designation is used in the context of U.S. nuclear information, specifically referring to certain types of data that were previously classified under the category of Restricted Data but have since been declassified and now have less stringent handling requirements. It allows for the dissemination of information that is important for public knowledge, while still ensuring that sensitive security aspects related to nuclear materials and technology remain protected. The concept of Formerly Restricted Data is significant in balancing the sharing of useful information with national security needs.