>an amphibious assault ship outfitted last year with F-35B jets
I.e. not a carrier group which is what most people think of when they hear "F-35-laden warship"
>joined the annual Exercise Balikatan with the Philippines this month.
This is an annual exercise, not an escalation of some sort, doesn't get any clearer than that.
>The USS Wasp didn’t pass within 25 nautical miles of the shoal, according to a U.S. defense official who spoke on the condition of anonymity. The figure suggests that the ship wasn’t conducting a so-called freedom of navigation operation, a practice criticized by China that the U.S. uses to assert international sailing rights within 12 nautical miles of disputed features.
Basically they're just in the neighborhood, not trying to stir up trouble.
>The moves come as officials in Manila escalate protests over...
There's always something else going on at any given time.