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S. 192
U.S. Senate•In Senate Committee
Summary
S. 192, the Restricting First Use of Nuclear Weapons Act of 2025, was introduced in the Senate on Jan 22, 2025 by Sen. Edward Markey (D) with 7 co-sponsors. It was referred to Foreign Relations, and last saw action on Jan 22, 2025: Read twice and referred to the Committee on Foreign Relations.
Record
Text
S. 192 has 7 co-sponsors.
sb192/introduced-in-senate.txt93 S192 IS: Restricting First Use of Nuclear Weapons Act of 2025U.S. Senate2025-01-22text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.II 119th CONGRESS 1st Session S. 192 IN THE SENATE OF THE UNITED STATES January 22, 2025 Mr. Markey (for himself, Mr. Merkley , Ms. Warren , Mr. Van Hollen , Mr. Welch , Mr. Sanders , and Mr. Wyden ) introduced the following bill; which was read twice and referred to the Committee on Foreign Relations A BILLTo restrict the first-use strike of nuclear weapons.1.Short titleThis Act may be cited as the Restricting First Use of Nuclear Weapons Act of 2025 .2.Findings and declaration of policy(a)FindingsCongress finds the following:(1)The Constitution gives Congress the sole power to declare war.(2)The framers of the Constitution understood that the monumental decision to go to war, which can result in massive death and the destruction of civilized society, must be made by the representatives of the people and not by a single person.(3)As stated by section 2(c) of the War Powers Resolution ( Public Law 93–148 ; 50 U.S.C. 1541 ), the constitutional powers of the President as Commander-in-Chief to introduce United States Armed Forces into hostilities, or into situations where imminent involvement in hostilities is clearly indicated by the circumstances, are exercised only pursuant to (1) a declaration of war, (2) specific statutory authorization, or (3) a national emergency created by attack upon the United States, its territories or possessions, or its armed forces .(4)Nuclear weapons are uniquely powerful weapons that have the capability to instantly kill millions of people, create long-term health and environmental consequences throughout the world, directly undermine global peace, and put the United States at existential risk from retaliatory nuclear strikes.(5)A first-use nuclear strike carried out by the United States would constitute a major act of war.(6)A first-use nuclear strike conducted absent a declaration of war by Congress would violate the Constitution.(7)The President has the sole authority to authorize the use of nuclear weapons, an order which military officers of the United States must carry out in accordance with their obligations under the Uniform Code of Military Justice.(8)Given its exclusive power under the Constitution to declare war, Congress must provide meaningful checks and balances to the President’s sole authority to authorize the use of a nuclear weapon.(b)Declaration of policyIt is the policy of the United States that no first-use nuclear strike should be conducted absent a declaration of war by Congress.3.Prohibition on conduct of first-use nuclear strikes(a)ProhibitionNo Federal funds may be obligated or expended to conduct a first-use nuclear strike unless such strike is conducted pursuant to a war declared by Congress that expressly authorizes such strike.(b)First-Use nuclear strike definedIn this section, the term first-use nuclear strike means an attack using nuclear weapons against an enemy that is conducted without the Secretary of Defense and the Chairman of the Joint Chiefs of Staff first confirming to the President that there has been a nuclear strike against the United States, its territories, or its allies (as specified in section 3(b)(2) of the Arms Export Control Act ( 22 U.S.C. 2753(b)(2) )).
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-01-22
- Passed Senate
- Passed House
- Conference
- To President
- Became Law
CRS Summary
The summaries are the Congressional Research Service’s, one per stage. Read them in full.
Introduced in Senate Jan 22, 2025
sb192/introduced-in-senate.mdShown Here:
Introduced in Senate (01/22/2025)
Restricting First Use of Nuclear Weapons Act of 2025
This bill prohibits using federal funds to conduct a first-use nuclear strike unless Congress expressly authorizes such a strike pursuant to a declaration of war. A first-use nuclear strike is an attack using nuclear weapons against an enemy without confirming that there has been a nuclear strike against the United States, its territories, or its allies.
Sponsors
Sen. Edward Markey (D) sponsors S. 192, and 7 members have co-sponsored it, 6 of them from the day it was introduced.

Sen. · D–MA · Sponsor
Introduced Jan 22, 2025

Sen. · D–OR · Co-sponsor
Joined Jan 22, 2025 · Original

Sen. · I–VT · Co-sponsor
Joined Jan 22, 2025 · Original

Sen. · D–MD · Co-sponsor
Joined Jan 22, 2025 · Original

Sen. · D–MA · Co-sponsor
Joined Jan 22, 2025 · Original

Sen. · D–VT · Co-sponsor
Joined Jan 22, 2025 · Original

Sen. · D–OR · Co-sponsor
Joined Jan 22, 2025 · Original

Sen. · D–MN · Co-sponsor
Joined Apr 27, 2026
Committees
S. 192 went before 1 committee: Foreign Relations.
Actions
S. 192 has taken 2 actions since Jan 22, 2025.
| Chamber | Action | |||
|---|---|---|---|---|
Jan 22, 2025 | Senate | Read twice and referred to the Committee on Foreign Relations.Foreign Relations Committee | ||
Jan 22, 2025 | — | Introduced in Senate |
Votes
S. 192 has not gone to a roll call.
Related bills
1 bill is related to S. 192, as Identical bill.
Titles
S. 192 goes by 3 titles, 1 of them short titles.
- Restricting First Use of Nuclear Weapons Act of 2025 — Display Title
- Restricting First Use of Nuclear Weapons Act of 2025 — Short Title(s) as Introduced
- A bill to restrict the first-use strike of nuclear weapons. — Official Title as Introduced
Classification
The Congressional Research Service files S. 192 under International Affairs, one of its 31 policy areas, and gives it 6 legislative subjects.
CRS Subjects
CRS assigns every bill one policy area from its 31; S. 192’s is International Affairs.
s192/policy-areas.txtLegislative Subjects
S. 192 carries 6 of CRS’s legislative subjects, from Congressional-executive branch relations to War and emergency powers.
s192/subjects.txtSource: congress.gov · legiscan.com
