Tensions in the South China Sea are casting a shadow over this week’s Association of Southeast Asian Nations (ASEAN) meeting in Manila. The United States has strongly criticized recent “dangerous” actions by China in the contested waterway. This condemnation coincided with the arrival of Secretary of State Marco Rubio in the Philippines, signaling Washington’s concern regarding the escalating situation. The dispute threatens to dominate discussions amongst the 11 ASEAN member states. The timing suggests a direct response to Chinese activities and a show of support for Southeast Asian nations navigating the complex regional dynamics. This highlights the ongoing geopolitical rivalry between the United States and China in the region, with ASEAN nations caught in the middle. The meeting's focus may be significantly altered by the need to address the immediate security concerns.