A resolution recognizing the 74th anniversary of the signing of the Mutual Defense Treaty between the United States and the Philippines and the strong bilateral security alliance between our two nations in the wake of escalating aggression and political lawfare by the People's Republic of China in the South China Sea.
- Bill Number
- S.Res. 409
- Origin Chamber
- Senate
- Congress
- 119th Congress, Session 1
- Policy Area
- International Affairs
- Status
- Introduced
- Latest Action
- 2025-10-30: Placed on Senate Legislative Calendar under General Orders. Calendar No. 248.
- Last Updated
- 2026-01-30T19:59:09Z
AI-Generated Summary
Purpose
This Senate Resolution (S. Res. 409) commemorates the 74th anniversary of the 1951 Mutual Defense Treaty between the United States and the Philippines. It highlights the enduring security alliance between the two nations and addresses escalating aggression by the People's Republic of China (PRC) in the South China Sea, including territorial claims, militarization, and coercive tactics against Philippine vessels.
Key Provisions
The resolution consists of extensive "Whereas" clauses providing historical and current context, followed by 12 specific actions resolved by the Senate:
- Celebration and Appreciation: Celebrates the treaty anniversary and acknowledges the trust of the Philippine people in the alliance, including support for increased U.S. military presence and defense cooperation.
- Acknowledgment of Philippine Resolve: Recognizes the determination of the Philippine people and Armed Forces to resist PRC coercion.
- Condemnation of PRC Actions: Condemns PRC aggression and "political lawfare" (legal maneuvers to assert unlawful claims) in the South China Sea; rejects PRC plans for a "national nature reserve" at Scarborough Shoal.
- Reaffirmation of Treaty Commitments: Reaffirms that Article IV of the Mutual Defense Treaty covers armed attacks on Philippine forces, vessels, or aircraft (including the Coast Guard) in the South China Sea; views PRC actions in the Philippines' exclusive economic zone (EEZ, a 200-nautical-mile maritime area for resource rights) as assaults on its sovereignty.
- Calls for U.S. Action: Urges the President to respond to PRC escalations to restore deterrence and aid Philippine defense.
- Support for Cooperation: Endorses deepening U.S.-Philippine security ties through modernization, exercises, patrols, and information sharing; supports other nations' partnerships with the Philippines and multilateral cooperation with Japan, South Korea, and Australia.
- Broader Commitments: Reaffirms U.S. dedication to freedom of navigation, overflight, and a "free and open Indo-Pacific" under international maritime law.
The resolution was introduced on September 18, 2025, and reported without amendment on October 30, 2025, by the Senate Committee on Foreign Relations.
Significant Changes to Existing Law
This is a non-binding resolution, so it introduces no legal changes to U.S. law or treaties. It reaffirms existing obligations under the Mutual Defense Treaty and related agreements like the Enhanced Defense Cooperation Agreement (EDCA, which allows U.S. military rotations and training in the Philippines) but does not amend or create new statutes.
Potential Impacts
- On Government Agencies: Encourages the U.S. Department of Defense and State Department to enhance bilateral military exercises (e.g., Balikatan), deploy advanced capabilities, and conduct joint operations, potentially increasing U.S. resource allocation in the Indo-Pacific. It signals support for Philippine defense modernization without mandating funding.
- On Citizens: Bolsters security assurances for U.S. and Philippine citizens, particularly in maritime-dependent communities, by deterring PRC actions that could disrupt trade, fishing, or humanitarian efforts in the South China Sea.
- On International Relations: Strengthens U.S.-Philippine ties and multilateral alliances (e.g., with Japan and Australia), potentially escalating diplomatic tensions with China. It reinforces U.S. opposition to PRC claims invalidated by the 2016 arbitral tribunal under the United Nations Convention on the Law of the Sea (UNCLOS, an international treaty on ocean rights), promoting adherence to global norms and freedom of navigation.
Main Stakeholders Affected
- Primary: U.S. and Philippine governments and militaries (e.g., U.S. Indo-Pacific Command, Armed Forces of the Philippines, Philippine Coast Guard), directly involved in alliance activities.
- Secondary: Philippine civilians (e.g., fisherfolk affected by PRC blockades); U.S. taxpayers funding defense cooperation; Indo-Pacific allies like Japan, Australia, South Korea, and Vietnam, who share maritime interests.
- Adversarial: The People's Republic of China, targeted for its South China Sea actions, including vessel collisions, water cannon use, and island militarization.
Notable Legal, Constitutional, or Political Implications
- Legal: Reinforces the binding nature of the Mutual Defense Treaty without altering it; highlights the 2016 UNCLOS tribunal ruling as "final and legally binding" (though non-participation by China limits enforcement). It interprets treaty coverage broadly to include the Philippine Coast Guard, potentially guiding future U.S. responses to incidents.
- Constitutional: As a Senate resolution, it aligns with Congress's role in foreign affairs under Article I (e.g., advising on treaties) but carries no force of law, relying on executive implementation.
- Political: Serves as a bipartisan signal (introduced by senators from both parties) of U.S. resolve against PRC expansionism, potentially influencing policy under future administrations (e.g., referencing 2025 visits by U.S. officials). It could heighten geopolitical risks in the South China Sea but also rally domestic and allied support for a rules-based international order.
This summary was generated by AI and may contain inaccuracies. Refer to the official source document for the authoritative text.
Sponsor
Cosponsors (15)
Sen. Coons, Christopher A. [D-DE], Sen. Cornyn, John [R-TX], Sen. Kaine, Tim [D-VA], Sen. Scott, Rick [R-FL], Sen. Schatz, Brian [D-HI], Sen. Cruz, Ted [R-TX], Sen. Van Hollen, Chris [D-MD], Sen. Budd, Ted [R-NC], Sen. Duckworth, Tammy [D-IL], Sen. Fischer, Deb [R-NE], Sen. Bennet, Michael F. [D-CO], Sen. Wicker, Roger F. [R-MS], Sen. Welch, Peter [D-VT], Sen. McCormick, David [R-PA], Sen. Risch, James E. [R-ID]
Recent Actions
- 2025-10-30: Placed on Senate Legislative Calendar under General Orders. Calendar No. 248.
- 2025-10-30: Committee on Foreign Relations. Reported by Senator Risch without amendment and with a preamble. Without written report.
- 2025-10-30: Committee on Foreign Relations. Reported by Senator Risch without amendment and with a preamble. Without written report.
- 2025-10-22: Committee on Foreign Relations. Ordered to be reported without amendment favorably.
- 2025-09-18: Referred to the Committee on Foreign Relations. (text: CR S6739)
- 2025-09-18: Introduced in Senate
Bill Versions
- Recognizing the 74th anniversary of the signing of the Mutual Defense Treaty between the United States and the Philippines and the strong bilateral security alliance between our two nations in the wake of escalating aggression and political lawfare by the People’s Republic of China in the South China Sea. — issued 2025-10-30 — PDF (10 pages)