US Defense Secretary Pete Hegseth reaffirmed Washington’s “ironclad” commitment to a mutual defense treaty with the Philippines during a call with his counterpart in Manila in the face of geopolitical tensions in South China Sea.

American and Philippine warplanes flew together in a coordinated patrol and drill above the South China Sea, in the allies’ first joint maneuvers over contested waters since U.S. President Donald Trump returned to office, Filipino officials said.

According to Philippine media reports, the US, the Philippines, Australia, and Japan held a joint maritime exercise in the South China Sea on Wednesday. At the same time, Philippine media did not hesitate to hype the so-called Chinese "monster ship.

The joint patrol on Tuesday over the Scarborough Shoal was the first by the longtime treaty allies since President Donald Trump took office again.

The defense chiefs of the Philippines and the United States recently held a discussion on efforts to reestablish deterrence in the South China Sea,

US Defense Secretary Pete Hegseth reaffirmed Washington’s “ironclad” commitment to a mutual defence treaty with the Philippines during a call with his counterpart in Manila in the face of geopolitical tensions in South China Sea.

The Philippine coast guard says Chinese coast guard ships and a Chinese navy helicopter harassed a group of Philippine fisheries vessels conducting a scientific survey in a hotly disputed area of the South China Sea,

The Chinese military carried out combat readiness patrols in waters and airspace surrounding a hotly disputed Sea shoal on Friday, the latest in a series of exercises to reinforce its control of the area.

China has conducted military patrols in the South China Sea while the Philippines was holding joint naval drills with the U.S., Japan and Australia, saying Manila is undermining Beijing's claims in the region.