And looking up thus USAF unit now in the South China Sea region -

How Many Occult Symbols Can You Fit Onto 1 Military Insignia Patch??

https://voat.co/v/pizzagateuncensored/1931574

If Duterte was really unaware, then it sounds like part of a previous agreement. Of course, it could be a double false flag to give them a reason to keep China out.