Sponsors
The bill would reduce U.S. financial and legal commitments to NATO—producing short-term fiscal and decision-making control gains for U.S. policymakers while substantially increasing risks to collective deterrence, military readiness, U.S. influence in Europe, and potential long-term costs for Americans.
U.S. taxpayers could pay less because the U.S. would reduce or eliminate financial contributions to NATO’s common budgets and some overseas commitments.
Federal policymakers and the executive branch would regain greater control over NATO membership and foreign contributions, consolidating U.S. decision-making authority on alliance commitments and funding.
European NATO members would be pressured to increase their own defense spending and take more responsibility for regional security, shifting burdens off the U.S.
U.S. withdrawal or reduced engagement would weaken NATO’s collective deterrence, increasing the likelihood of aggression against European allies and raising major national-security risks for Americans.
U.S. service members, and the agencies that rely on alliance cooperation, could lose alliance protections, training, intelligence-sharing, and interoperability—degrading readiness and operational capability.
Taxpayers could face higher long-term costs from increased defense spending, diplomatic expenses, or economic fallout if regional instability rises after U.S. disengagement.
Based on analysis of 6 sections of legislative text.
Requires the President to give formal notice to withdraw the United States from the North Atlantic Treaty within 30 days of enactment and bars federal funds from being used to pay U.S. contributions to NATO’s common budgets. The Act also affirms that Congress has authorized such denunciation under an existing statutory requirement and includes a severability clause to preserve the remainder if part is found unconstitutional.
Introduced June 25, 2025 by Mike Lee · Last progress June 25, 2025