A 1996 visiting forces agreement reopened the Philippines to U.S. troops

Evidence

As a prelude to the lily pads to come, U.S. negotiators first signed a “visiting forces agreement” with the Philippines in 1996 that allowed U.S. troops back into the country for a variety of military exercises and training. The Philippines Senate ratified the agreement in 1999. — David Vine, Base Nation_ How U.S. Military Bases…, 984