Each resupply mission is being secretly conducted as a joint military operation between the Philippines and United States.

China has made significant progress in EW, as demonstrated by its use of the Y-9LG aircraft in military exercises and a critical engagement in the South China Sea, where it has challenged the US's longstanding dominance.

MANILA (Reuters) -Relations between Manila and Beijing have soured under Philippine President Ferdinand Marcos Jr, with Manila pivoting back towards the United States which supports the Southeast Asian nation in its maritime disputes with China.