Before the U.S. launched its military offensive against Iran, President Trump expressed frustration with nuclear talks and sent an “armada” to the Middle East. He did not initially detail why the U.S. would carry out a bombing campaign. In his first live public remarks on the operation, Trump listed four objectives: destroying Iran’s missile capabilities; annihilating Iran’s navy; preventing Iran from developing nuclear weapons; and ensuring the regime cannot arm, fund or direct proxy “terrorist armies.” A senior administration official said the operation would continue until those objectives were achieved; the president said he expected the war to last a few weeks.
Below is what the president and other top officials said motivated the strikes.
Imminent threat posed by Iran’s ballistic missiles
– Trump said the aim was “eliminating imminent threats from the Iranian regime,” arguing Iran’s activities endangered the U.S., its troops, bases and allies. He claimed Iran continued developing long-range missiles that could threaten allies in Europe, U.S. forces overseas, and potentially the American homeland.
– A 2025 Defense Intelligence Agency assessment indicated Tehran likely would not have intercontinental ballistic missiles capable of reaching the U.S. until about 2035.
– Administration officials said they had indicators Iran could use conventional missiles preemptively or simultaneously in response to U.S. actions; they argued a preemptive strike would reduce casualties and damage.
– Defense Secretary Pete Hegseth cited Iran’s “swelling arsenal of ballistic missiles and killer drones” and described them as a conventional shield for nuclear ambitions.
– Secretary of State Marco Rubio said the U.S. struck partly because Israel was planning strikes that could have precipitated attacks on American forces, so the U.S. acted preemptively to remove many missiles.
– Sen. Mark Warner, after briefings, said he saw no evidence Iran was on the verge of striking the United States and viewed the missiles as a significant threat mainly to Israel. He called the conflict a “war of choice” influenced by Israel’s goals and timelines.
Iran’s nuclear program
– Negotiations over Iran’s nuclear program had been underway, with the Omani mediator saying substantial progress and a deal “within our reach.” Trump said diplomacy was preferred but pledged never to allow Iran to have a nuclear weapon.
– Trump demanded Iran stop enriching uranium. Iran maintains its enrichment is for peaceful purposes but in recent years has enriched to levels nearing weapons-grade.
– Senior officials said they believed Iran was rebuilding facilities damaged in a prior June operation (“Midnight Hammer”) to preserve enrichment capacity and potentially position itself to produce a bomb later. They said this left the president “no choice” but to act.
– The Defense Intelligence Agency’s 2025 Worldwide Threat Assessment said Iran almost certainly was not producing nuclear weapons but had taken steps that better positioned it to produce them if it chose to.
Destroying Iran’s navy
– Trump announced the sinking of multiple Iranian naval vessels and said the U.S. was targeting the rest. CENTCOM later said all 12 Iranian navy ships in the Gulf of Oman had been destroyed.
– Iran had used its navy to throttle traffic through the Strait of Hormuz, a vital route for about 20% of the world’s oil and liquefied natural gas. Shipping companies suspended transits; tanker traffic through the strait dropped sharply and oil prices spiked over concerns about prolonged supply disruption.
– The IRGC announced the strait would be closed and threatened to attack ships attempting transit. Analysts noted Iran’s ability to close the strait depends in part on naval capacity and mines, which are harder to employ without a functioning navy.
Cutting off funding to Iran’s proxy groups
– The administration said the operation was meant to prevent Iran from arming, funding and directing proxy forces. Iran has been designated a state sponsor of terrorism since 1984; U.S. reports identify it as a leading state sponsor that facilitates terrorist and illicit activities globally.
– Iran supports and backs proxies including Hezbollah (Lebanon), Houthis/Ansar Allah (Yemen), Hamas (Palestinian territories), and groups in Bahrain, Iraq, Syria and elsewhere. These groups have carried out attacks that disrupted maritime commerce, targeted civilians and struck U.S. forces in the region.
– The administration and U.S. reports trace Iranian support for recruitment, plotting and operations across multiple continents. Israel in recent years carried out strikes on leaders of major Iranian proxy groups and stated it aimed to eliminate the senior leadership of what it called the Iranian terror axis.
Deaths of leaders, protesters and U.S. stance on regime change
– Regime change was not listed among the administration’s stated objectives, but the U.S.-Israeli offensive targeted dozens of Iran’s top leaders. Iran’s Supreme Leader Ayatollah Khamenei was killed on the first day; the U.S. has said Israeli forces carried out that strike after receiving CIA intelligence on his location.
– Trump said 49 top Iranian leaders had been killed. In remarks, he urged Iranians to “seize control of your destiny” and finish what the U.S. and Israel started, urging them to act against their government.
– Trump has linked U.S. posture to concerns about Iran’s violent domestic crackdown on protesters, in which thousands were reported killed. He told the Washington Post the goal is “freedom for the people” of Iran and earlier warned of strong action if the regime continued severe repression.
Reporting notes
Contributors to the report include Megan Cerullo, Weijia Jiang, Sara Cook, Kristin Brown and Olivia Gazis. In presenting the administration’s stated motives, the article also notes independent assessments (such as DIA reports) and differing views from lawmakers briefed before or during the operation.
