Stockpile Stewardship and Management for a Modern Pit Facility

DOE's NNSA is responsible for the safety and reliability of the U.S. nuclear weapons stockpile, including production readiness required to maintain that stockpile. Pursuant to National Environmental Policy Act of 1969, NNSA has prepared a Supplement to the Programmatic Environmental Impact Statement on: (1) whether to proceed with a Modern Pit Facility (MPF); and (2) if so, where to locate a MPF.