SCMP reports that US defence experts work inside Taiwan's military headquarters under a pact that had drawn little reporting until now. The people are already in the building.

That sits oddly beside the rest of the Taiwan file. Washington has left a US arms sale to Taiwan undecided, and Taiwan's envoy publicly pressed the Trump administration over it on 2026-10-04. A weapons sale needs a decision from the president. A desk officer at a workstation does not.

Washington has two Taiwan policies, then. One is the presidential one, which waits on a decision. The other is the working-level one, which has no price tag because nobody has put it on the table.

Beijing can read the difference. Reading the stalled arms sale as the whole of the American commitment assumes the sale is all there is. A pact that places US personnel inside Taiwan's headquarters shows the commitment is larger than the sale, and that the larger part does not wait for a presidential decision.

Our flashpoint map has logged 60 moves in the Taiwan Strait since 2026-09-05, the latest on 2026-10-05. Most of them are the visible kind. This one is a badge reader.

Tokyo is already managing the same arithmetic. Japan's prime minister called China an important neighbor this week, in the middle of tensions over Taiwan. A government that says that is leaving itself a door to Beijing while the Americans work inside Taipei's building.

If the SCMP account holds, the next Chinese protest over US military ties to Taiwan will have to be aimed at a pact rather than a sale, and Trump cannot trade away a pact with the same ease.