Overview: On 16 March 2026 , U.S. President Donald Trump called for an international coalition to safeguard the Strait of Hormuz after Iran’s closure disrupted global oil flows. Both Japan and Australia said they would not dispatch warships to escort merchant vessels in West Asia. Key Developments President Trump announced that the United States had contacted seven unnamed countries to join a mission protecting the Strait of Hormuz . Japan’s Prime Minister Sanae Takaichi reiterated that, due to the country’s pacifist constitution, no decision has been made to send naval escorts. Australia’s cabinet minister Catherine King confirmed that Australia has not been asked and will not contribute ships. Trump warned that without Chinese cooperation—China imports roughly 90% of its oil through the strait—his planned Beijing visit could be postponed. European allies faced pressure: the NATO was cautioned about a “very bad” future if members do not assist, while the EU foreign ministers were to discuss expanding a small naval mission but not yet to extend it to the strait. Iran continued limited vessel passages, but most tanker traffic remains blocked following the U.S.–Israel bombing campaign that began on 28 February 2026 . Important Facts • Approximately 20% of world oil transits the Strait of Hormuz , making any disruption a major shock to oil market dynamics . • Brent crude rose above $104.50 per barrel following Trump’s remarks, reflecting market sensitivity to geopolitical risk. • Drone attacks on Gulf states continued: Dubai airport faced a fire after a drone hit a fuel tank; Saudi Arabia intercepted 34 drones in one hour. UPSC Relevance The episode touches upon several GS topics: International Relations (strategic importance of the Strait of Hormuz , alliance dynamics with NATO , and China’s role), Polity (Japan’s constitutional constraints, ANZUS treaty), and Economy (impact of oil price volatility on India’s balance of payments and inflation). Understanding these linkages helps answer questions on energy security, maritime strategy, and multilateral diplomacy. Way Forward India should monitor diplomatic overtures by the U.S. and assess opportunities for coordinated multilateral action, possibly through the EU or NATO frameworks. Strengthen domestic strategic petroleum reserves to cushion short‑term supply shocks. Engage with Japan and Australia on non‑combatant support (e.g., intelligence sharing, humanitarian assistance) that respects their legal constraints. Encourage diplomatic dialogue between Iran and the coalition to seek a negotiated reopening, aligning with India’s principle of peaceful resolution of disputes.