TACO moment rerun? Inside Trump’s Iran strategy of warning and waiting

Through the second half of March, US President Donald Trump raised the stakes in the Iran conflict, threatening to expand strikes to critical infrastructure while setting deadlines for Tehran. At the same time, the United States delayed some of those actions, extended timelines and spoke of progress in talks, even as fighting continued. The overlap of escalation and restraint has brought renewed focus to a term increasingly used in political and market circles: TACO.

The term, which stands for “Trump Always Chickens Out,” refers to a perceived pattern in which strong initial threats are followed by delays or shifts in execution. In the Iran war, this has translated into a cycle of warning and waiting, where the possibility of escalation remains present but is not always carried out on the original timeline. This raises a central question: should Trump’s threats be taken at face value, or as part of a negotiating approach that evolves after the initial announcement?

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Shock and awe, then shifting signals
The Iran war began in late February with US and Israeli strikes on Iranian military targets. In the early phase, Trump framed the campaign as a decisive move to weaken Iran’s capabilities and end threats in the region.

Within days, messaging began to shift. By early March, Trump expanded his stance beyond military action, calling for broader outcomes while operations continued.

At the same time, the conflict intensified. By March 12, Iran had already begun retaliatory attacks, including drone strikes on shipping routes near the Strait of Hormuz, even as Trump said the war would end “soon.”

The war was real, and so was the damage
By late March, the conflict had spread across the Middle East, with missile and drone attacks hitting multiple countries, oil markets reacting sharply and governments scrambling around the Strait of Hormuz. The US was not merely talking tough; it was already part of a widening war alongside Israel, and the fighting was producing real military, economic and diplomatic consequences.

That matters because the question is not whether Trump was bluffing about confronting Iran at all. He was not. The question is narrower and more important: when Trump threatened the next escalation, did those threats reliably translate into action? The answer from the final stretch of March is more complicated.

March 21–23: The threat lands
Trump initially gave Iran 48 hours to reopen the Strait of Hormuz or face attacks on power plants and energy infrastructure. After that threat, he said the US would postpone those strikes for five days because of what he described as “productive conversations” aimed at ending the war. That was the first clear example in this sequence of Trump moving from a public threat to a public pause.

The gap between Trump’s version and Iran’s version appeared immediately. On March 23, Iran denied it had engaged in negotiations with the United States after Trump postponed the threatened attack on the power grid and cited productive talks with unidentified Iranian officials. In other words, Trump was presenting delay as diplomacy, while Iran was disputing that diplomacy existed in the form he described.

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March 24: Pause on energy targets, war still on
By March 24, the US said it was pausing attacks on energy targets even as Persian Gulf states reported fresh missile and drone threats from Iran and Israel said it would keep up attacks “with full force.” The posture was not one of de-escalation in any broad sense. Fighting continued, pressure continued and the US still held the threat of wider damage over Tehran. But Trump had stepped back from one of his most dramatic near-term warnings.

He was not retreating from the war. He was selectively delaying one threatened layer of escalation while maintaining the broader military campaign.

March 26: The deadline moves again
On March 26, Trump extended by 10 more days his pledge to refrain from attacks on Iranian energy sites, calling it his second extension since the earlier threat to eviscerate Iran’s power plants. He said talks were going “very well.”

This was the clearest “warning and waiting” moment. Trump did not withdraw the threat. He preserved it, repeated it and moved the clock. The threatened action stayed alive as leverage, but the action itself did not happen on the original timeline.

March 30: From power plants to “obliterate” infrastructure
By March 30, Trump’s language had escalated again. He threatened to “obliterate” Iran’s energy grid if a ceasefire was not reached soon. Trump threatened to destroy Iran’s desalination and energy infrastructure if Iran did not agree to end the conflict and reopen the Strait of Hormuz. Those were sweeping threats, and they extended beyond military targets into infrastructure that experts warned could carry grave humanitarian consequences.

Yet even at this stage, the pattern held. Trump paired maximal language with claims that diplomacy was advancing. He was simultaneously asserting progress in peace efforts. Trump said the US was negotiating with Iranian leaders, while Iranian officials denied direct talks and rejected the US portrayal of progress.

So what did the US actually do?
The United States did not simply threaten and stop. It stayed in the war. Continued attacks and mounting regional fallout, including strikes affecting energy infrastructure, threats around Hormuz and widening spillover. Even though energy targets were temporarily spared, the wider military campaign continued. Trump’s record here is not one of empty talk. It is one of real force combined with elastic deadlines and selective restraint on the most dramatic threatened next moves.

What his past hints at
The Iran war suggests Trump’s threats should not be dismissed, but they also should not be read literally on first announcement. The more consistent pattern is this: he makes the most aggressive option visible, uses it to dominate the field and then reserves the right to delay, narrow or recast it while insisting that the pressure itself is producing results. In Iran, that meant threatening power plants, then pausing; threatening energy sites, then extending the pause; threatening to destroy wider infrastructure, then coupling that threat with claims of talks that Iran denied.

Beyond Iran, Trump has had the habit of making a strong announcement followed by adjustment. Even in this war, the pattern is visible enough: Trump’s threats can be serious in the sense that they are backed by real military action, yet unstable in the sense that the exact step he threatens next may be delayed, diluted or reinterpreted under diplomatic, military or political pressure. That is the TACO question in this conflict: not whether he can escalate, but whether the first version of his escalation threat is the one that sticks.