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National Nuclear Security Administration

Latest Articles

President Donald Trump and House Speaker Mike Johnson (R-LA) speak with reporters as they depart a meeting about the reconciliation bill at the U.S. Capitol on May 20.
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What’s in Store for Science in Republicans’ Reconciliation Bill
MAY 22, 2025
Energy Secretary Chris Wright testifies on the White House FY26 budget during a House Appropriations Committee hearing on May 7, 2025.
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DOE Secretary Defends Proposed Budget Cuts, Denies Freezing Funds
MAY 08, 2025
Energy Secretary Chris Wright meets with all 17 National Lab directors in April.
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DOE Eases Regulation of National Labs
APR 17, 2025
The Department of Energy headquarters in Washington, D.C.
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Trump Picks More Leaders for the Energy Department
FEB 19, 2025
National Lab directors testify
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DOE National Labs Describe Impacts from Trump Orders
FEB 14, 2025
Energy Secretary Chris Wright signs his first secretarial order.
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New Energy Secretary Orders R&D Portfolio Review
FEB 11, 2025
DOE Senior Staff 2025 Nominee Composite.png
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Trump Selects Three Senior DOE Officials 
JAN 17, 2025
Los Alamos National Lab
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Congress Poised to Restrict NNSA Labs from Admitting Citizens of Four Countries
DEC 09, 2024
Jake Sullivan 2024 October Briefing
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Biden Sets Priorities for Applications of AI to National Security
OCT 25, 2024
The headquarters of the Department of Energy.
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US Lawmakers Aim to Limit Citizens of China and Russia from Accessing DOE Labs
JUN 17, 2024

Leadership and Staff

Brandon Williams headshot
Profile
Brandon Williams
NNSA Administrator
National Nuclear Security Administration
JAN 20, 2025 – Nominated
Scott Pappano.jpg
Profile
Scott Pappano
Principal Deputy Administrator
National Nuclear Security Administration
FEB 03, 2025 – Nominated
Profile
David Beck
Deputy Administrator for Defense Programs
National Nuclear Security Administration
APR 29, 2025 – Nominated
Matt-Napoli-Headshot-200x300.jpg
Profile
Matthew Napoli
Deputy Administrator for Defense Nuclear Nonproliferation
National Nuclear Security Administration
FEB 03, 2025 – Nominated

Recent Bill Actions

More from Bill Tracker
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Bill
H.R. 1
One Big Beautiful Bill Act
MAY 22, 2025 – Passed by House
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Bill
S. 929
Guarding American Technology from Exploitation (GATE) Act
MAR 11, 2025 – Introduced in Senate
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Bill
H.R. 5009
National Defense Authorization Act (NDAA) for Fiscal Year 2025
DEC 23, 2024 – Became law
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Bill
S. 4664
Department of Energy AI Act
NOV 19, 2024 – Advanced by Senate Energy and Natural Resources Committee
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Bill
S. 4638
National Defense Authorization Act (NDAA) for Fiscal Year 2025
JUL 08, 2024 – Introduced in Senate
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Bill
H.R. 8070
National Defense Authorization Act (NDAA) for Fiscal Year 2025
JUN 14, 2024 – Passed by House
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Budget Tracker summary

More from Budget Tracker
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Budget Tracker
FY2026 National Nuclear Security Administration
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Budget Tracker
FY2025 National Nuclear Security Administration
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Budget Tracker
FY2024 National Nuclear Security Administration
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Budget Tracker
FY2023 National Nuclear Security Administration
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Budget Tracker
FY2022 National Nuclear Security Administration

Related Organizations

Department of Energy

Related Committees

House Armed Services Committee
House Energy-Water Development Appropriations Subcommittee
Senate Armed Services Committee
Senate Energy-Water Development Appropriations Subcommittee