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S. 4784In committee

National Defense Authorization Act for Fiscal Year 2027

Introduced: Jun 15, 2026

Latest action date: Jul 27, 2026

Latest development

Motion to proceed to consideration of measure made in Senate. (CR S4276)

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Congress
119th Congress
Introduced
Jun 15, 2026
Recorded roll calls
1

Status detail: The most advanced recorded stage is committee consideration.

Plain-language overview

What this bill does

National Defense Authorization Act for Fiscal Year 2027

This bill sets forth policies and authorities for FY2027 for Department of Defense (DOD) programs, activities, and military construction as well as the national security programs of the Department of Energy (DOE).

Among other elements, the bill

  • authorizes the procurement of various items, including aircraft and ships;
  • sets active duty and reserve component personnel strength levels;
  • sets policy regarding various aspects of military health care and military compensation;
  • sets policy regarding DOD acquisitions and acquisition management, including contracting authorities;
  • sets policy for various matters related to DOD interactions with foreign nations, including matters concerning the Middle East, Europe, and the Indo-Pacific;
  • sets policy for various matters related to DOD cyber operations, cyber forces, cybersecurity, and artificial intelligence;
  • requires DOD to review certain materials (including boron carbide, copper foil, and synthetic diamond) to determine actions to maintain access to critical defense industry components and materials, and report to Congress on such matters; 
  • authorizes DOD's Office of Strategic Capital to make equity investments in non-federal entities with respect to batteries and critical minerals, materials, and chemicals;
  • authorizes specified military construction projects and extends the authorization of certain projects from previous fiscal years; and 
  • authorizes the National Nuclear Security Administration and the Defense Nuclear Facilities Safety Board.

For additional information on the National Defense Authorization Act (NDAA) see

Civixly topics

What this legislation is about

Civixly topics make federal and state legislation comparable. They are derived from the official CRS policy area and legislative subjects.

Official CRS policy area

Armed Forces and National Security

View 19 official legislative subjects
Advanced technology and technological innovationsAppropriationsArms control and nonproliferationComputer security and identity theftComputers and information technologyData collection, sharing, protectionDefense Nuclear Facilities Safety BoardDepartment of DefenseEuropeGovernment buildings, facilities, and propertyGovernment employee pay, benefits, personnel managementIntelligence activities, surveillance, classified informationMiddle EastMilitary assistance, sales, and agreementsMilitary medicineMilitary operations and strategyMilitary personnel and dependentsMilitary procurement, research, weapons developmentPublic contracts and procurement

Committee activity

Committees and subcommittees that received, reviewed, marked up, or reported this legislation.

Amendments

Proposed changes to this measure, with their latest official outcome or action from Congress.gov.

View amendments880 amendments

Showing the 250 most recently active amendments of 880.

Checked against Congress.gov Sep 17, 2026.

Action timeline

Newest action first. Action language comes from the official Congress.gov record.

View full action timeline12 actions
  1. Motion to proceed to consideration of measure made in Senate. (CR S4276)

    FloorSenate
  2. Motion to proceed to consideration of measure withdrawn in Senate.

    FloorSenate
  3. Motion to proceed to consideration of measure made in Senate. (CR S4241-4242)

    FloorSenate
  4. Motion to proceed to consideration of measure made in Senate. (CR S4145)

    FloorSenate
  5. Motion to proceed to consideration of measure made in Senate. (CR S3919)

    FloorSenate
  6. Motion by Senator Thune to reconsider the vote by which cloture on the motion to proceed to the measure was not invoked (Record Vote No. 195) entered in Senate.

    FloorSenate
  7. Cloture motion on the motion to proceed to the measure not invoked in Senate by Yea-Nay Vote. 50 - 46. Record Vote Number: 195. (CR S3918)

    FloorSenate
  8. Cloture motion on the motion to proceed to the measure presented in Senate. (CR S3193)

    FloorSenate
  9. Motion to proceed to consideration of measure made in Senate. (CR S3193)

    FloorSenate
  10. Placed on Senate Legislative Calendar under General Orders. Calendar No. 436.

    CalendarsSenate
  11. Committee on Armed Services. Original measure reported to Senate by Senator Wicker. With written report No. 119-127.

    CommitteeSenate
  12. Committee on Armed Services. Original measure reported to Senate by Senator Wicker. With written report No. 119-127.

    CommitteeLibrary of Congress

Roll-call votes

Recorded House and Senate votes connected to this bill. Your representatives appear first when available.

Cloture on the Motion to Proceed Rejected (50-46, 3/5 majority required)Jul 14, 2026Senate · Roll call 195

On Cloture on the Motion to Proceed S. 4784

Vote source ↗
46 Nay50 Yea4 Not Voting
View 100 recorded positions
Alex PadillaNot Voting
John FettermanNot Voting
Mitch McConnellNot Voting

Discussion

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Sources: Congress.gov and official House and Senate vote records.

View data freshness details

Base metadata checked Sep 17, 2026 · Summary checked Sep 17, 2026 · Action timeline checked Sep 17, 2026 · Sponsorship checked Sep 17, 2026 · Topics checked Sep 17, 2026 · Committees checked Sep 17, 2026 · Status checked Sep 17, 2026 · Related bills checked Sep 17, 2026.