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NNSA announced the FY 2021 results of the performance of its Managing and Operating (M&O) contractors in meeting NNSA’s performance expectations.

The U.S. Department of Energy’s National Nuclear Security Administration will conduct low-altitude helicopter flights over Los Angeles on Tuesday, Feb. 1, and Wednesday, Feb. 2, in preparation for Super Bowl LVI and events related to it.
NNSA has reached a pivotal milestone on the Los Alamos Pit Production Project, approving the start of construction of the Decontamination and Decommissioning Subproject.

The National Nuclear Security Administration and DOE's Office of Environmental Management (DOE-EM) have signed the first contracts as part of the Department’s Uranium Lease and Take-back Program with SHINE Technologies LLC.

The U.S. Department of Energy’s National Nuclear Security Administration (DOE/NNSA) will conduct low-altitude helicopter flights over the Las Vegas Strip and its surrounding areas, Wednesday, Dec. 29, through Friday, Dec. 31.

Today NNSA released Prevent, Counter, and Respond—the agency's Plan to Reduce Global Nuclear Threats FY 2022-2026.

U.S. Secretary of Energy Jennifer M. Granholm and U.S. Secretary of Health and Human Services (HHS) Xavier Becerra jointly certified that there is now enough worldwide supply of the medical isotope molybdenum-99 (Mo-99) .
NNSA is on a mission to make nuclear and radioactive material transport more secure globally.

NNSA completed its acquisition of the LeMond Carbon Facility in Oak Ridge, Tennessee, near the Y-12 National Security Complex on December 15.

Corey Hinderstein was sworn in today as the Deputy Administrator for Defense Nuclear Nonproliferation of the Department of Energy’s National Nuclear Security Administration.