• Skip to main content
  • Skip to primary sidebar
  • Skip to footer

Center for Arms Control and Non-Proliferation

Center for Arms Control and Non-Proliferation

  • Policy Issues
    • Fact Sheets
    • Countries
    • Nuclear Weapons
    • Non-Proliferation
    • Nuclear Security
    • Biological & Chemical Weapons
    • Defense Spending
    • Missile Defense
    • No First Use
  • Nukes of Hazard
    • Podcast
    • Blog
      • Next Up In Arms Control
    • Videos
  • Join Us
  • Press
  • About
    • Staff
    • Boards & Experts
    • Jobs & Internships
    • Financials and Annual Reports
    • Contact Us
  • Donate
  • Search
You are here: Home / Security Spending / Summary: Fiscal Year 2027 National Defense Authorization Act (S. 4784) as passed by the Senate Committee on Armed Services

July 9, 2026

Summary: Fiscal Year 2027 National Defense Authorization Act (S. 4784) as passed by the Senate Committee on Armed Services

  • Table numbers in parentheses are increases or decreases from the FY27 Request
  • FY27 requested levels come from the Center for Arms Control and Non-Proliferation’s Fiscal Year 2027 Defense Budget Request Briefing Book 
  • Request Numbers in this analysis only include discretionary requests 
  • Numbers may not add due to rounding 

 

Total National Defense Discretionary Spending Request (050)

AllocationFY27 RequestSASC Authorized
Department of Defense$1.1 trillion$1.1 trillion (+$239M)
Department of Energy$42 billion$41 billion (-$239M)
Other Defense-Related Activities$12 billion $12 billion
Total, National Defense Spending Request$1.15 trillion$1.15 trillion

*This represents a 28% increase over the amount authorized by the FY26 NDAA 

 

DOD Nuclear Weapons Funding Request for Select Programs

ProgramFY27 RequestSASC Authorized
Ground Based Strategic Deterrent (GBSD)/Sentinel$4.6 billion $4.6 billion
Columbia Class Ballistic Missile Submarine $16 billion $15.3 billion (-$586M)*
B-21 Strategic Bomber $6.1 billion $6.1 billion
Trident II Submarine-Launched Ballistic Missile $3.9 billion $3.9 billion
B-52 $2 billion $2 billion (+$45M)
Sea Launched Cruise Missile (SLCM-N) $0 $250 million (+$250M)
W93 Mk7 Aeroshell $841 million $841 million
F-35 Dual Capable Aircraft Nuclear Certification $22.3 million $22.3 million
Long Range Standoff Weapon (LRSO) $1.5 billion $1.5 billion

*The Senate authorized amount for the Columbia Class does not include ~$586M for “Completion of prior year shipbuilding programs” 

 

National Nuclear Security Administration (NNSA) Request

Program FY27 Request SASC Authorized
Federal Salaries and Expenses $577 million $577 million
Weapons Activities $27.4 billion $27.5 billion (+74M)
Defense Nuclear Nonproliferation $2.4 billion $2.4 billion
Naval Reactors $2.4 billion $2.3 billion (-$65M)
Total, National Nuclear Security Administration $33 billion $33 billion (+$9M)

DOE Nuclear Weapons Funding Request for Select Programs

Program FY27 Request SASC Authorized
B61-13 Gravity Bomb $46.4 million $46.4 million
W80-4 Nuclear Warhead $1 billion $1 billion
W80-5 Nuclear Warhead (SLCM-N) $0 $150 million (+$150M)
W87-1 Nuclear Warhead (Sentinel) $913 million $913 million
W93 Nuclear Warhead $1.1 billion $1.1 billion
Future Programs $100 million $100 million
Stockpile Sustainment $1.9 billion $1.9 billion
Weapons Dismantlement and Disposition $91 million $91 million

Plutonium Modernization

Plutonium Modernization - Los Alamos National Lab $2.4 billion $2.3 billion (-$30M)
Plutonium Modernization - Savannah River Site $2.2 billion $2.2 billion
Enterprise Pit Production Support $271 million $271 million
Total, Plutonium Modernization $4.9 billion $4.9 billion (-$30M)

Select Provisions Related to Nuclear Weapons

➤ Prohibition on Reduction of U.S. ICBM Force: Reinforces existing prohibition on reducing the number of deployed U.S. ICBMs below 400 or reducing the alert level of those missiles (Sec. 1511)  

➤ Procurement Authority for ICBM Components: Authorizes the Secretary of the Air Force to enter into procurement contracts for certain ICBM components, reentry vehicles and other associated equipment (Sec. 1513)  

➤ Limitation of Funds Pending Completion of Minuteman III Sustainment Strategy: Reduces the authorized funding for travel for the Air Force Secretary by 15% until the Air Force submits to Congress the strategy on Minuteman III ICBM sustainment required by the FY26 NDAA (Sec. 1514) 

➤ Inventory of Minuteman III Maintenance Equipment: Requires the development of an inventory list of maintenance equipment unique to the Minuteman III ICBM and directs items included on the list to receive regular preventative maintenance (Sec. 1515)   

➤ Contract Authority for Purchase of ICBM Replacement Equipment: Authorizes the purchase of various pieces of replacement equipment to maintain the nuclear ICBM force (Sec. 1516) 

➤ Modifications to Portfolio Management Framework for Nuclear Forces: Extends the deadline for a previously mandated framework for nuclear force portfolio management to 2027 and adds SLCM-N to the list of nuclear weapons systems required to reach operability prior to termination of the framework (Sec. 1518) 

➤ Reports on Nuclear Force Reductions: Modifies existing reporting requirements on the nuclear weapons stockpile to require congressional oversight of any proposed reductions to the levels of nuclear forces (Sec. 1519) 

➤ Extension and Modification of Biennial Report on Nuclear Weapons Enterprise: Extends the biennial report to 2033 and modifies existing reporting requirements on the nuclear weapons enterprise to require consideration of workforce development and a budget estimate for the duration of modernization (Sec. 1520) 

➤ Authorization of New Theater-Range Nuclear Weapons and Report on Multipolar Deterrence: Authorizes the development of two new theater-range nuclear capabilities, one surface-launched and one air-launched, and requires a report on U.S. deterrence in a two-peer nuclear threat environment  (Sec. 1521) 

➤ Limitation of NNSA Funds Barring Completion of Covered Projects: Restricts travel funding for the NNSA Administrator until certain milestones are met with respect to construction projects at the Savannah River Site in South Carolina and the Pantex Plant in Texas  (Sec. 3121) 

➤ Development of Affordable Dual-Capable Air-Launched Capabilities: Requires an assessment of options for developing a family of affordable, dual-capable air-launched missiles and a briefing to relevant congressional committees on the findings of the assessment (Directive Report Language) 

➤ Briefing on SLCM-N Progress: Mandates a briefing to relevant congressional committees on the progress the administration has made in developing the SLCM-N in line with congressional intent (Directive Report Language) 

➤ Feasibility of Establishing a Unified ICBM Depot: Requires a briefing to relevant congressional committees on the feasibility of establishing a unified ICBM depot to concurrently support Minuteman III sustainment and Sentinel development (Directive Report Language) 

➤ Update on Progress to Certify B-21 Nuclear Capabilities: Requires a briefing to update Congress on the progress made to fulfill the statutory requirement for the B-21 to field both nuclear gravity bombs and the LRSO (Directive Report Language) 

➤ Feasibility of Designating Air Force Global Strike Command as National Center for Conventional-Nuclear Integration: Requires a briefing on the feasibility of designating Air Force Global Strike Command as the National Center for Conventional-Nuclear integration (Directive Report Language) 

➤ Reconversion of Ohio-class Ballistic Missile Tubes: Requires a briefing on the progress to return formerly decommissioned nuclear ballistic missile tubes on Ohio-class submarines to functionality following the expiration of New START (Directive Report Language) 

➤ Reactivation of Grand Forks AFB Nuclear Facilities: Requires a briefing on the feasibility of reactivating the nuclear facilities at Grand Forks Air Force Base in North Dakota (Directive Report Language) 

➤ Space and Nuclear Risk Reduction with Russia and China: Requires a briefing on Department of Defense efforts to engage Russia and China on nuclear and space-based risk reduction and their plans to develop additional risk reduction measures with these countries (Directive Report Language) 

 

Missile Defeat and Defense Funding Request Total and Select Systems

Program FY27 Request SASC Authorized
Terminal High Altitude Area Defense (THAAD) $1.8 billion $1.8 billion
Aegis Ballistic Missile Defense $1.9 billion $1.9 billion
Ground-Based Midcourse Defense/Next-Gen Interceptor $3 billion $2.9 billion (-$75M)
Guam Integrated Air and Missile Defense System $212 million $312 million (+$100M)
Iron Dome $20 million $20 million

 

Select Provisions Related to Missile Defense 

➤ Encouraging Delivery of Independent Report on Space-Based Interceptors: Restricts travel funds for the Under Secretary of Defense for Research and Engineering until the Department delivers a mandatory independent report on the capabilities of space-based interceptors (Sec. 1533)  

➤ Full Operational Capability for Aegis Guam System: Requires the Department of Defense to ensure full operational capability for the Aegis Guam System by providing radar emplacements (Sec. 1536)  

➤ Repeal of Review Requirement for Missile Defense Acquisition: Repeals the requirement for the Government Accountability Office (GAO) to provide yearly reports to Congress on the Missile Defense Agency’s acquisition efforts (Sec. 1537)  

➤ Update on Theater Air and Missile Defense Review: Requires a briefing on the theater air and missile defense review ordered by President Trump’s Golden Dome Executive Order (Directed Report Language) 

➤ Expanded Use of Medium-Range Air Defenses for Homeland Defense: Requires a briefing on the use of medium-range air defenses in Homeland defense architecture and opportunities to expand their role (Directed Report Language)   

➤ Low-Cost Space-Based Interceptors for Golden Dome: Requires a briefing on options to develop a low-cost space-based interceptor system deployed in low-earth orbit to be integrated into the Golden Dome architecture (Directed Report Language) 

➤ GAO Assessment of Golden Dome: Requires the Comptroller General to review the Department of Defense’s activities related to the development of the Golden Dome missile defense architecture and provide an assessment of its status, cost and areas for improvement (Directed Report Language) 

➤ International Cooperation on Golden Dome: Requires a briefing on the potential lessons to be learned from international partners, especially Israel, while developing the Golden Dome missile defense architecture (Directed Report Language)      

 

Miscellaneous Programs and Provisions of Interest

➤ Pay Raise: Authorizes a 3.6% pay raise for servicemembers 

➤ CTR Funds: Authorizes $221 million, the requested level 

 

Committee Passage

The bill was reported favorably out of committee by an 18-9 vote. Senators Kirsten Gillibrand (D-NY), Richard Blumenthal (D-CT), Mazie Hirono (D-HI), Tim Kaine (D-VA), Elizabeth Warren (D-MA), Gary Peters (D-MI), Tammy Duckworth (D-IL), Mark Kelly (D-AZ) and Elissa Slotkin (D-MI) voted in opposition. 

Bill text 

Committee Report 

Posted in: Factsheets & Analysis on Nuclear Weapons Spending, Factsheets & Analysis on Pentagon Budget, Factsheets on Missile Defense, Missile Defense, Nuclear Weapons, Nuclear Weapons Spending, Pentagon Budget, Security Spending, United States

Primary Sidebar

Recent Posts

  • Summary: Fiscal Year 2027 National Defense Authorization Act (S. 4784) as passed by the Senate Committee on Armed Services July 9, 2026
  • The Wrong Way July 8, 2026
  • Summary: Fiscal Year 2027 National Defense Authorization Act (H.R. 8800) as passed by the House Committee on Armed Services June 24, 2026
  • France’s New Nukes and the Future of European Security June 8, 2026
  • Introducing the Newest Member of the Center Team: Conor Donlevy May 26, 2026

Footer

Center for Arms Control and Non-Proliferation

820 1st Street NE, Suite LL-180
Washington, D.C. 20002
Phone: 202.546.0795

Issues

  • Fact Sheets
  • Countries
  • Nuclear Weapons
  • Non-Proliferation
  • Nuclear Security
  • Defense Spending
  • Biological and Chemical Weapons
  • Missile Defense
  • No First Use

Countries

  • China
  • France
  • India and Pakistan
  • Iran
  • Israel
  • North Korea
  • Russia
  • United Kingdom

Explore

  • Nukes of Hazard blog
  • Nukes of Hazard podcast
  • Nukes of Hazard videos
  • Front and Center
  • Fact Sheets

About

  • About
  • Meet the Staff
  • Boards & Experts
  • Press
  • Jobs & Internships
  • Financials and Annual Reports
  • Contact Us
  • Council for a Livable World
  • Twitter
  • YouTube
  • Instagram
  • Facebook

© 2026 Center for Arms Control and Non-Proliferation
Privacy Policy

Charity Navigator GuideStar Seal of Transparency