[Enterprise]

We do have an agreement with the Philippines. Not sure it's worth the paper it's written on though.

U.S. Security Cooperation with the Philippines

[buwaya]

These countries also have bilateral agreements between themselves.

Ex - https://thediplomat.com/2023/11/japan-philippines-agree-to-intensify-defense-cooperation/

These are not alliances, formally, but that is a fig leaf.