S. 4784National Defense Authorization Act for Fiscal Year 2027

1 recorded actionWhat the measure does Read on Congress.gov

Sponsor: Roger F. Wicker [R-MS]
Policy area: Armed Forces and National Security
Committee: Armed Services Committee
Latest action: Jul 27, 2026 · Motion to proceed to consideration of measure made in Senate. (CR S4276)

IntroducedJun 15, 2026
Passed the SenateNot yet reached
Passed the HouseNot yet reached
Sent to the PresidentNot yet reached
Became lawNot yet reached

What the measure doesCRS summary

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.

Written by the nonpartisan Congressional Research Service, describing S. 4784 as reported to Senate on Jun 15, 2026. It is not the text of the measure; a later amendment may have changed what it does.

How every member votedSenate roll call 195

Senate Jul 14, 2026

On Cloture on the Motion to Proceed

Motion to Invoke Cloture: Motion to Proceed to S. 4784

Cloture on the Motion to Proceed Rejected

50 Yea 46 Nay 4 not voting

Party-line vote 1 of 96 voting members broke with their own party: 1 Republican.

Open the official roll call

How the chamber split

One dot per member. Select a seat or a bar to filter the list.

DemocratsIndependentsRepublicansFilled: YeaRing: NayGrey: not voting or present

By party select a segment to filter

All members100 members

Democratic45 members

Independent2 members

Republican53 members

marks half of the votes cast. A party’s majority is the side most of its voting members took.

Loading the public record

All recent votes 119th CongressSenate

S. 4784National Defense Authorization Act for Fiscal Year 2027

1 recorded actionWhat the measure does Read on Congress.gov

Sponsor: Roger F. Wicker [R-MS]
Policy area: Armed Forces and National Security
Committee: Armed Services Committee
Latest action: Jul 27, 2026 · Motion to proceed to consideration of measure made in Senate. (CR S4276)

IntroducedJun 15, 2026
Passed the SenateNot yet reached
Passed the HouseNot yet reached
Sent to the PresidentNot yet reached
Became lawNot yet reached

What the measure doesCRS summary

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.

How every member votedSenate roll call 195

Senate Jul 14, 2026

On Cloture on the Motion to Proceed

Motion to Invoke Cloture: Motion to Proceed to S. 4784

Cloture on the Motion to Proceed Rejected

50 Yea 46 Nay 4 not voting

Party-line vote 1 of 96 voting members broke with their own party: 1 Republican.

Open the official roll call

How the chamber split

One dot per member. Select a seat or a bar to filter the list.

DemocratsIndependentsRepublicansFilled: YeaRing: NayGrey: not voting or present

By party select a segment to filter

All members100 members

Democratic45 members

Independent2 members

Republican53 members

marks half of the votes cast. A party’s majority is the side most of its voting members took.

Who lobbied on S. 4784781 organizations

Organizations that named S. 4784 in a lobbying disclosure. Only those that cited the bill by number appear, so this is a floor, not a full list.

GENERAL DYNAMICSfiled by PRASAM, AMERICAN DEFENSE INTERNATIONAL, FIFESTRATEGIES, LLC, THE NICKLES GROUP, LLC, INNOVATIVE FEDERAL STRATEGIES, LLC, HARBINGER STRATEGIES, LLCIts PAC: General Dynamics Corp. PAC

Defense · Education · Budget/Appropriations · Aviation/Airlines/Airports +2 more12 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

MICROSOFT CORPORATIONfiled by FORZA DC, LLC, VENTURE GOVERNMENT STRATEGIES, LLC (FKA HOBART HALLAWAY & QUAYLE VENTURES, LLC), TIBER CREEK GROUP, FIFESTRATEGIES, LLC, MICROSOFT CORPORATION, HARBINGER STRATEGIES, LLCIts PAC: Microsoft Corp. Stakeholders Voluntary PAC - MSVPAC

Computer Industry · Budget/Appropriations · Homeland Security · Labor Issues/Antitrust/Workplace +13 more12 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

SAP AMERICA, INC.filed by SAP AMERICA, INC., FIFESTRATEGIES, LLC, AMERICAN DEFENSE INTERNATIONALIts PAC: SAP America Inc PAC

Computer Industry · Budget/Appropriations · Trade (domestic/foreign) · Defense10 filings · 2nd Quarter (Apr 1 - June 30) 2026Filing

LOCKHEED MARTIN CORPORATIONfiled by PLURUS STRATEGIES, LLC, CAPITOL COUNSEL LLC, HOLLY STRATEGIES INCORPORATED, LOCKHEED MARTIN CORPORATIONIts PAC: Lockheed Martin Corp. Employees' PAC

Defense · Budget/Appropriations · Disaster Planning/Emergencies · Taxation/Internal Revenue Code +5 more8 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

AMERICAN BANKERS ASSOCIATIONfiled by TASSEY & ASSOCIATES, PHRONESISDC, LLC, HARBINGER STRATEGIES, LLCIts PAC: American Bankers Association PAC

Banking · Financial Institutions/Investments/Securities · Consumer Issues/Safety/Products · Housing +3 more6 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

SHIELD AI, INC.filed by LIZ WILLIAMS AND COMPANY, CROSSROADS STRATEGIES, LLC, ATLAS CROSSING LLCIts PAC: Shield AI PAC

Defense · Budget/Appropriations6 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

UNIVERSITY OF ILLINOISfiled by LEWIS-BURKE ASSOCIATES, LLC, UNIVERSITY OF ILLINOIS

Medicare/Medicaid · Defense · Budget/Appropriations · Science/Technology +5 more6 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

BATTELLE MEMORIAL INSTITUTEfiled by AMERICAN DEFENSE INTERNATIONAL, BATTELLE MEMORIAL INSTITUTE, INNOVATIVE FEDERAL STRATEGIES, LLC

Defense · Budget/Appropriations · Energy/Nuclear · Science/Technology +4 more5 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

HONEYWELL INTERNATIONAL INC.filed by AMERICAN DEFENSE INTERNATIONAL, INNOVATIVE FEDERAL STRATEGIES, LLCIts PAC: Honeywell International Inc. Technologies Public Affairs Council

Defense · Budget/Appropriations5 filings · 2nd Quarter (Apr 1 - June 30) 2026Filing

NVIDIA CORPORATIONfiled by TIBER CREEK GROUP, THE NICKLES GROUP, LLC, NVIDIA CORPORATIONIts PAC: Nvidia Corp. Employees Federal PAC

Trade (domestic/foreign) · Computer Industry · Defense · Energy/Nuclear +1 more5 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

1541 disclosures name this measure. Retrieved from LDA.gov on 2026-10-27. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.