US has resupply base in SG. That alone makes it a target.
Sembawang wharves, Changi naval base and our comms centre will be hit.
They won't be interested in RSAF.
If our refineries keep supplying, they too will be hit.
If the shipyards fix damaged ships, they too will be hit.
If you're not neutral, someone will hit you.
Unfortunately for trump, tge other countries sre not dormsnt and are constantly upgrading their war machinese.
Whatever US can build, china can do the same at 1/4 the price.
Apollo spacecraft circumnavigate the moon on technology much less than on your phones currently.