The point of an automatic doctrine is that it takes the decision away. On July 22, Trump vowed that 'any time' Iran attacks a ship in the Strait of Hormuz, the United States 'will bomb and destroy ONE BRIDGE OR POWER PLANT,' including in Tehran [1]. One ship, one piece of civilian infrastructure - an exchange rate, not a judgment call.

Overnight, the trigger arrived. Two Saudi-linked tankers were struck - the Encelia, confirmed by Saudi state media, and the Layla, claimed by the Houthis [2]. Under the doctrine, a bridge or power plant should have followed.

It did not. Trump said the United States would not strike Iran's power plants for five days - a turnaround, PBS reported, on his own Hormuz deadline [3]. His actual response to the tanker attacks was a different kind of threat: on Truth Social, that the damage 'will be paid for by Iranian Money that the United States has in its possession,' along with a vow to 'broaden' [2]. Tonight's strikes, a 13th consecutive night by CENTCOM's count, hit military targets - not civilian infrastructure [1].

The record deserves precision. Bridges in southern Iran have been struck over the campaign's twelve days; power plants and Tehran have not, and no infrastructure strike answering the tanker attacks appears in the available reporting [1]. The doctrine's first test produced a five-day pause and a line about frozen assets [2][3].

That gap is the story. A commitment announced as iron - automatic, unchoosable - met its first case and became a choice again: a reprieve, a deadline, a threat about money [1][3]. It may still be carried out; five days is a clock, not a cancellation [3]. Even so, a tit-for-tat that blinks on its opening move is not the deterrent it was written to be - it is the ordinary discretion the doctrine was designed to disclaim [1][2].