Manila — Ten years after an arbitral tribunal in The Hague under the United Nations Convention on the Law of the Sea (UNCLOS) rejected Beijing’s sweeping map-based claims, rival claimants continue to maneuver across the waters closest to the Philippines. With Vietnamese President To Lam visiting Manila last June 2026, Philippine President Ferdinand “Bongbong” Marcos Jr. signaled a clear intent to knit closer maritime cooperation with Hanoi, a move that could complicate Beijin

The Philippines - Vietnam partnership serves as a vital source of stability. As the bloc grapples with internal divisions and struggles to present a unified front on maritime security issues, the practical, bilateral actions taken by the Philippines and Vietnam show how individual member states can use their own diplomatic agency to protect the rules-based order.

Article by Marie D. Published on May 11, 2026 9:00 PM Japan's Prime Minister Sanae Takaichi visited Hanoi last weekend to announce an refreshed regional strategy, signaling Tokyo's heightened focus on Southeast Asia as U.S.-China rivalry escalates. ¹ During her meeting with Vietnamese Prime Minister Le Minh Hung on Saturday, the leaders witnessed the signing of six (6) cooperation agreements covering disaster-resilient rural development, climate-resilient infrastructure, and

The 2016 victory remains a “paper win” in practical terms, it has bolstered the legal standing of Manila, Washington, and other claimants, but it has not re‑opened Panatag Shoal’s waters to Philippine fishermen or turned Recto Bank’s gas reserves into a functioning national resource.

The developments in Vietnam serve as a reminder that economic and security pressures in neighboring claimant states can have direct implications for Manila’s strategic posture, emphasizing the need for proactive maritime planning, regional coordination, and risk management.