S. 4784 Reported by committee Armed Forces and National Security

National Defense Authorization Act for Fiscal Year 2027

An original bill to authorize appropriations for fiscal year 2027 for military activities of the Department of Defense, for military construction, and for defense activities of the Department of Energy, to prescribe military personnel strengths for such fiscal year, and for other purposes.

  1. Introduced
  2. Committee
  3. Passed Senate
  4. Passed House
  5. To President
  6. Became law
Sponsor Sen. Wicker, Roger F. [R-MS] Introduced June 15, 2026 Cosponsors 0 Latest action July 27, 2026

Summary

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
- In Focus IF10516, Defense Primer: Navigating the NDAA, and
- In Focus IF10515, Defense Primer: The NDAA Process.

Summary by the Congressional Research Service, Library of Congress.

Congress.gov

Roll-call votes

Actions

  1. Jul 27, 2026 Motion to proceed to consideration of measure made in Senate. (CR S4276)
  2. Jul 23, 2026 Motion to proceed to consideration of measure withdrawn in Senate.
  3. Jul 23, 2026 Motion to proceed to consideration of measure made in Senate. (CR S4241-4242)
  4. Jul 20, 2026 Motion to proceed to consideration of measure made in Senate. (CR S4145)
  5. Jul 14, 2026 Motion to proceed to consideration of measure made in Senate. (CR S3919)
  6. Jul 14, 2026 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.
  7. Jul 14, 2026 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)
  8. Jun 24, 2026 Cloture motion on the motion to proceed to the measure presented in Senate. (CR S3193)
  9. Jun 24, 2026 Motion to proceed to consideration of measure made in Senate. (CR S3193)
  10. Jun 15, 2026 Placed on Senate Legislative Calendar under General Orders. Calendar No. 436.
  11. Jun 15, 2026 Committee on Armed Services. Original measure reported to Senate by Senator Wicker. With written report No. 119-127.

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