President Trump put Tehran on notice Monday, declaring that negotiations with what he called a "new, and more reasonable" Iranian regime were making "great progress", but warning that if a deal falls through, the United States would "blow up and completely obliterate" Iran's power grid, oil wells, and the critical Kharg Island export terminal.
The threat, posted on Truth Social, paired optimism about a diplomatic resolution with the bluntest language yet about what happens if talks collapse. Trump framed the potential destruction as "retribution for our many soldiers, and others, that Iran has butchered and killed over the old Regime's 47 year 'Reign of Terror.'"
It was classic Trump dealmaking on a wartime footing: extend the hand, show the fist, and let the other side choose. The question now is whether Iran's fractured leadership will take the off-ramp, or test whether the president means every word.
The president's Truth Social post laid out the stakes in plain terms, as the New York Post reported. Trump said the U.S. was "in serious discussions with A NEW, AND MORE REASONABLE, REGIME to end our Military Operations in Iran." He said a deal would "probably" come together. But the fallback was devastation.
"Great progress has been made but, if for any reason a deal is not shortly reached, which it probably will be, and if the Hormuz Strait is not immediately 'Open for Business,' we will conclude our lovely 'stay' in Iran by blowing up and completely obliterating all of their Electric Generating Plants, Oil Wells and Kharg Island."
The warning specifically named infrastructure the president said the U.S. had "purposefully not yet 'touched'", a signal that Washington has been holding back its heaviest economic blows as a bargaining chip.
Trump had previously given Tehran an April 6 deadline to reopen the Strait of Hormuz. He also issued a separate 10-day deadline for the same demand. Iran's closure of the strait had already sent oil prices spiking as much as 50 percent, rattling global energy markets.
Kharg Island sits in the Persian Gulf and serves as Iran's main oil export terminal. Nearly all of Iran's crude passes through it. Destroying it, or seizing it, would cripple Tehran's revenue overnight.
Trump told the Financial Times he was weighing exactly that option. "Maybe we take Kharg Island, maybe we don't," he said. "We have a lot of options." He added the U.S. could take the island "easily," though he acknowledged any presence "would also mean we had to be in there for a while."
As the Washington Examiner detailed, Trump went further, saying his "favourite thing" would be to "take the oil in Iran", drawing a parallel to the administration's approach in Venezuela, where U.S. officials moved to rebuild the oil industry after taking it over in early January.
That framing matters. It suggests the White House isn't just threatening destruction for its own sake. The administration appears to be weighing a longer-term play: control Iran's energy infrastructure as leverage, not simply bomb it into rubble.
Trump also claimed the U.S. had "bombed 13,000 targets" in Iran since February 28 and still had "about 3,000 targets" it wanted to hit. Those numbers, if accurate, reflect a military campaign of enormous scale, one that has unfolded while Senate Republicans blocked Democratic attempts to strip the president's war authority.
The rhetoric is backed by hardware. On Friday, 3,500 U.S. Marines and sailors arrived in the Middle East aboard the USS Tripoli, part of a broader Pentagon order to deploy 10,000 troops to the region. Trump said those forces could secure the Strait of Hormuz and Iranian nuclear facilities.
Breitbart reported that roughly 2,500 Marines were already in the region with a similarly sized contingent on the way, underscoring the growing U.S. footprint alongside diplomatic efforts.
Treasury Secretary Scott Bessent reinforced the posture on Fox News. "Over time, the US is going to retake control of the straits," he said. "And there will be freedom of navigation, whether it is through US escorts or a multinational escort."
Secretary of State Marco Rubio, appearing on ABC News' "Good Morning America" Monday, was equally direct.
"They are making threats about controlling the Hormuz Strait in perpetuity, creating a tolling system and the like. That's not going to be allowed to happen."
Rubio added that the U.S. was "going to achieve our objectives in a matter of weeks, not months." That timeline tracks with earlier signals from the president that Operation Epic Fury was nearing its final phase.
AP News reported that Rubio described internal fractures within Iran's leadership amid the month-long U.S.-Israeli war. "There's some fractures going on there internally," Rubio said. He suggested negotiations could become viable if a new generation of Iranian leaders with a more pragmatic outlook emerged.
Not everyone in Tehran got the memo. Iran's hardline parliament speaker, Mohammad-Bagher Ghalibaf, publicly denounced the U.S. on Monday. Iranian state media outlet IRNA quoted him saying, "The enemy, openly, sends messages of negotiation and dialogue, but secretly is planning a ground attack."
Ghalibaf went further, warning that U.S. officials were "unaware that our men are waiting for American soldiers to enter on the ground so they can set them ablaze and punish their regional partners forever." It was the kind of fiery rhetoric Tehran has leaned on for decades, but it landed differently with 10,000 American troops heading to the region and 13,000 targets already hit.
Trump, for his part, seemed unfazed by Ghalibaf. In fact, he credited the parliament speaker with authorizing the passage of oil tankers through the strait. "He's the one who authorized the ships to me," Trump told the Financial Times. He said Tehran had allowed 10 Pakistan-flagged tankers through last week, with 10 more since, bringing the total to 20.
Trump called the tanker passage a "present", and noted that skeptics had gone quiet once the ships moved. "Remember I said they're giving me a present? And everyone said: 'What's the present? Bulls, t.' When they heard about that they kept their mouth shut and the negotiations are going very well."
The diplomatic track isn't limited to Washington and Tehran. Foreign ministers from Egypt, Saudi Arabia, Turkey, and Pakistan met in Islamabad on Sunday, reflecting growing regional urgency to broker some kind of resolution before the conflict widens further.
Egyptian President Abdel Fattah el-Sisi made a public plea to Trump on Monday during an international energy conference in Cairo. "Help us stop this war," el-Sisi said, according to the New York Times. "I speak to you on behalf of myself, humanity, and lovers of peace, and you, Mr. President, are a lover of peace."
The economic pressure is real. The Washington Times noted that Brent crude had climbed to about $115 a barrel, nearly 60 percent higher than when the war began on February 28, driven by attacks on regional energy infrastructure and fears around the Strait of Hormuz. That kind of price shock hits every gas pump in America and every economy dependent on Gulf oil.
It also explains why the administration is pressing so hard on the strait. Reopening that waterway isn't just a military objective. It's an economic imperative, and one that House Republicans watching the war's price tag understand well.
Trump's posture Monday boiled down to a simple binary: negotiate now, or lose everything. He said "a deal could be made fairly quickly." He also made clear what "no deal" looks like.
The administration has signaled throughout this conflict that it views Iran's energy infrastructure as both a target and a prize. The question of whether to destroy Kharg Island or seize it reflects a broader strategic debate, one that could shape the Middle East for years. Trump's earlier announcement that Iran had agreed to abandon its nuclear weapons program added another layer to the diplomatic picture, though the durability of any such agreement remains to be seen.
Newsmax reported that U.S. and Israeli strikes on Iran continued even as ceasefire talks showed signs of progress, with Pakistan reportedly facilitating diplomacy. Trump said Iran's agreement to let 20 tankers through the strait was "a sign of respect."
Respect or survival instinct, either way, the tankers moved. And that tells you something about who holds the leverage.
For four decades, Iran's regime thrived on bluster, proxy wars, and the assumption that no American president would call the bluff. That assumption is being tested now, with 10,000 troops, 13,000 bombed targets, and a president who doesn't make threats he considers idle.