From Singapore: The United States and Israel launched military strikes against Iran on Saturday, with President Donald Trump announcing what he described as "major combat operations" in an eight-minute address posted to his social media pages. The action marks a dramatic escalation in a decades-long confrontation between Washington and Tehran, with consequences that will ripple through global energy markets, regional security alliances, and Australia's own strategic calculus.
Trump framed the operation as a necessary response to what he called Iran's 47-year campaign of state-sponsored terrorism and its pursuit of nuclear weapons. According to 9News, the president cited a litany of grievances, including the 1979 US Embassy hostage crisis, the 1983 Beirut barracks bombing that killed 241 American service members, and Iran's alleged role in arming Hamas before the October 7, 2023 attacks on Israel.
The president claimed that a prior operation, which he referred to as "Operation Midnight Hammer" and dated to last June, had already destroyed Iran's nuclear facilities at Fordow, Natanz, and Isfahan. Saturday's strikes, he said, were aimed at eliminating Iran's missile arsenal, its naval forces, and the network of proxy militias the regime funds across the Middle East. Trump did not confirm whether Saturday's operation was conducted jointly with Israeli forces from the outset, or whether Israel acted in a supporting role.
In perhaps the most striking passage of his address, Trump issued a direct ultimatum to members of Iran's Islamic Revolutionary Guard Corps and other armed forces: surrender and receive full immunity, or "face certain death." He also addressed the Iranian civilian population directly, urging them to stay indoors during the strikes and, once operations concluded, to "take over your government."
"The hour of your freedom is at hand. When we are finished, take over your government. It will be yours to take. This will be probably your only chance for generations."
Trump acknowledged the possibility of American casualties with unusual directness, saying he did not make the statement "lightly" and that lives of US service members may be lost. He cast the mission as a sacrifice for future generations, framing it in explicitly moral and religious terms.
The trade implications for Australia are direct. Iran sits astride the Strait of Hormuz, through which roughly 20 per cent of the world's oil supply passes. Any sustained military conflict in the Persian Gulf risks driving crude oil prices sharply higher, a development that would feed through to Australian fuel costs, freight rates, and broader inflation at a time when the Reserve Bank of Australia is still managing price pressures. Australian exporters of liquefied natural gas could, in the short term, see improved spot prices if Iranian supply disruptions tighten global energy markets.
From a security perspective, Canberra will be watching developments closely. Australia has troops and assets stationed in the Middle East, and the Australian Department of Defence will need to assess force protection requirements as the situation evolves. The strikes also place fresh pressure on the AUKUS partnership's strategic logic: if the United States is committed to pre-emptive military action against nuclear proliferators, the calculus for Australian nuclear-powered submarine capabilities becomes both more urgent and more politically complicated to explain domestically.
Critics of the administration's approach argue, with some legitimacy, that military strikes have historically failed to permanently neutralise Iran's nuclear ambitions. Analysts at institutions including the International Institute for Strategic Studies have long cautioned that bombing nuclear infrastructure tends to delay rather than destroy programmes, while hardening domestic support for the regime among Iranian nationalists who might otherwise oppose it. The prospect of a popular uprising following the strikes, as Trump appeared to anticipate, strikes many regional experts as optimistic at best.
There is also the question of international law. Pre-emptive military action of this scale, conducted without explicit UN Security Council authorisation, places Washington in contested legal territory. Allies including Australia, which values the rules-based international order as a foundation of its own security, face a difficult position: publicly supporting a close ally while privately reckoning with precedents that could be invoked by other powers in other theatres.
The harder truth is that both the case for and against this military action rest on real concerns. Iran's nuclear programme has presented a genuine non-proliferation challenge for two decades, and diplomatic efforts, including the 2015 Joint Comprehensive Plan of Action from which Trump withdrew in his first term, produced incomplete and contested results. At the same time, the history of military interventions in the Middle East counsels scepticism about clean outcomes.
For Australian policymakers, the coming days will demand careful public positioning and quiet diplomacy. The Australian Parliament is likely to face questions about what prior knowledge, if any, Canberra had of the planned strikes and what obligations Australia's alliance commitments now require. Across the region, the trend is unmistakable: the post-Cold War era of managed deterrence is giving way to something more volatile, and Australia will need a foreign policy sophisticated enough to keep pace.