Richard Heydarian is a senior lecturer at the Asian Center of the University of the Philippines and author of "The Indo-Pacific: Trump, China and the New Struggle for Global Mastery."
New multilateral security groupings link Philippines with Japan, Australia, U.S.

Philippine and U.S. troops at the opening ceremony of the Salaknib exercises on March 13: President Ferdinand Marcos Jr. has doubled down on defense cooperation with Washington. © Reuters
Richard Heydarian is a senior lecturer at the Asian Center of the University of the Philippines and author of "The Indo-Pacific: Trump, China and the New Struggle for Global Mastery."