S. 2174 (119th)Bill Overview

NATO Act

International Affairs|International Affairs
Sponsor
Cosponsors
Support
Republican
Introduced
Jun 25, 2025
Discussions
Bill Text
Current stageCommittee

Read twice and referred to the Committee on Foreign Relations.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

The bill, titled the Not A Trusted Organization Act (NATO Act), directs the President to provide notice of denunciation of the North Atlantic Treaty under Article 13 for the purpose of withdrawing the United States from NATO, and asserts that this satisfies a prior statutory requirement for congressional authorization. It also prohibits the use of any federal funds to pay U.S. contributions to NATO’s common-funded budgets (civil, military, and Security Investment Program).

Why people may split

Progressives emphasize the security, diplomatic, and deterrent harms of U.S. withdrawal; conservatives emphasize burden‑sharing, sovereignty, and fiscal savings.

Watch point

Relative to its intended legislative type, this bill unambiguously pursues a substantive policy change by directing treaty denunciation and prohibiting associated funding, and it does so with clear statutory language and a short, specific timeline.

The bill, titled the Not A Trusted Organization Act (NATO Act), directs the President to provide notice of denunciation of the North Atlantic Treaty under Article 13 for the purpose of withdrawing the United States from NATO, and asserts that this satisfies a prior statutory requirement for congressional authorization.

It also prohibits the use of any federal funds to pay U.S. contributions to NATO’s common-funded budgets (civil, military, and Security Investment Program).

The bill contains findings criticizing NATO’s eastward expansion, asserting that U.S. membership is inconsistent with U.S. national security interests, and noting that many NATO members do not meet the 2% defense spending pledge.

Passage8/100

On substance alone, this bill effectuates a radical, unilateral change in U.S. foreign and defense policy with immediate and broad consequences. Historically, Congress and the executive branch have been cautious about enacting measures that abruptly terminate core treaty commitments and disrupt alliances; the bill’s lack of transitional provisions, high controversy, and legal/constitutional questions substantially reduce its likelihood of enactment.

CredibilityPartially aligned

Relative to its intended legislative type, this bill unambiguously pursues a substantive policy change by directing treaty denunciation and prohibiting associated funding, and it does so with clear statutory language and a short, specific timeline.

Contention70/100

Progressives emphasize the security, diplomatic, and deterrent harms of U.S. withdrawal; conservatives emphasize burden‑sharing, sovereignty, and fiscal savings.

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Federal agenciesLocal governments

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Federal agenciesReduces or eliminates U.S. payments to NATO’s common budgets, potentially lowering federal expenditures tied directly t…
  • Potential benefitShifts responsibility for collective defense in Europe toward European NATO members, which supporters may say encourage…
  • Potential benefitLimits U.S. treaty commitments in Europe and asserts congressional control over withdrawal decisions, which supporters…
Likely burdened
  • Potential burdenWould terminate the U.S. treaty obligation to NATO (after the treaty’s denunciation period), weakening formal collectiv…
  • Potential burdenCould increase security risks in Europe and embolden adversaries by removing the U.S. security guarantee, with potentia…
  • Local governmentsMay produce economic harms in U.S. communities tied to overseas basing and defense contracts (job losses, reduced local…
03 · Why people split

Why the argument around this bill splits.

Progressives emphasize the security, diplomatic, and deterrent harms of U.S. withdrawal; conservatives emphasize burden‑sharing, sovereignty, and fiscal savings.
Progressive5%

This persona would likely oppose the bill strongly.

They would view NATO as a cornerstone of transatlantic security cooperation, democratic solidarity, and multilateral crisis management, and see a U.S. unilateral withdrawal as dangerously destabilizing.

They would be especially concerned about the security implications for European democracies, for Ukraine’s defense, and for global deterrence of malign actors.

Likely resistant
Centrist30%

A centrist would approach the bill with significant caution and skepticism.

They would acknowledge legitimate concerns about burden‑sharing and the need to prioritize strategic theaters, but would worry that the bill’s one-step denunciation and funding prohibition are poorly specified and could produce harmful strategic and diplomatic consequences.

Centrists would emphasize the need for process, phased implementation, consultation with allies and Congress, and rigorous analysis of security tradeoffs before any withdrawal.

Likely resistant
Conservative60%

A mainstream conservative response would be mixed but leans toward viewing the bill as addressing real problems: excessive U.S. financial and military burdens and allied free-riding.

They would appreciate the emphasis on U.S. sovereignty and redirecting resources to core interests.

At the same time, many conservatives place a high value on credible deterrence and would worry about an unplanned withdrawal that undermines U.S. strategic influence; some would prefer renegotiation or pressure to reform NATO rather than immediate denunciation.

Split reaction
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood8/100

On substance alone, this bill effectuates a radical, unilateral change in U.S. foreign and defense policy with immediate and broad consequences. Historically, Congress and the executive branch have been cautious about enacting measures that abruptly terminate core treaty commitments and disrupt alliances; the bill’s lack of transitional provisions, high controversy, and legal/constitutional questions substantially reduce its likelihood of enactment.

Scope and complexity
86%
Scopesweeping
24%
Complexitylow
Why this could stall
  • Constitutional and separation-of-powers questions: whether Congress can, by statute, compel the President to deliver treaty denunciation or whether the President retains exclusive authority to manage treaty withdrawal, which could prompt litigation or executive resistance.
  • International and allied responses and cascading security commitments are not detailed in the bill; practical defense and budgetary offsets (and associated costs) are unspecified, creating implementation uncertainty.
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Progressives emphasize the security, diplomatic, and deterrent harms of U.S. withdrawal; conservatives emphasize burden‑sharing, sovereignt…

On substance alone, this bill effectuates a radical, unilateral change in U.S. foreign and defense policy with immediate and broad conseque…

Unlocked analysis

Relative to its intended legislative type, this bill unambiguously pursues a substantive policy change by directing treaty denunciation and prohibiting associated funding, and it does so with clear statutory language an…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
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