On May 6, 2013, the Office of Hearings and Appeals (OHA) issued a decision remanding an appeal (Appeal) from a Freedom of Information Act (FOIA) determination issued by the National Nuclear Security Administration (NNSA) Office of General Counsel (NA-GC). The Appellant appealed the NA-GC’s decision to withhold information from documents responsive to the Appellant’s request under FOIA Exemptions 5, 6, and 7(C), and challenged the adequacy of NA-GC’s search for responsive document. OHA concluded that NA-GC’s search was adequate, but that its determination did not adequately explain how FO