Overview The Donald Trump ordered an unprovoked war against Iran, killing its Supreme Leader Ayatollah Ali Khamenei . The conflict quickly expanded beyond the Iran‑Israel theatre, involving U.S. forces, regional militias and even the Indian Ocean. Key Developments (Bullet Points) U.S. airstrike eliminated Khamenei and over 160 schoolchildren; Trump urged Iranians to overthrow the Islamic Republic. Iran retaliated by hitting Israeli targets and U.S. installations in the Persian Gulf, striking communication and radar facilities at seven bases. Hezbollah entered the war with rocket attacks on Israel. Pro‑Iran militias in Iraq attacked U.S. assets in Erbil and elsewhere. The Pentagon confirmed six U.S. service members killed and three fighter jets lost in a “friendly fire” incident in Kuwait. On 4 March 2026 , the U.S. torpedoed the Iranian warship IRIS Dena , killing at least 83 crew members. U.S. Secretary of War Pete Hegseth warned of a protracted war. Important Facts • The war has already caused civilian casualties, including schoolchildren, and displaced thousands. • Iran’s security chief Ali Larijani has ruled out any diplomatic talks. • U.S. media report plans to arm Kurdish militias to provoke civil strife. • Oil and gas prices are rising, threatening India’s economic stability and the safety of Indian nationals in the region. UPSC Relevance This episode touches upon multiple GS papers: GS1 (History & International Relations) – U.S.–Iran relations and the precedent of unilateral war; GS2 (Polity & Governance) – implications of regime change rhetoric, the role of non‑state actors like Hezbollah; GS3 (Economy) – impact of heightened oil prices on India’s balance of payments; GS4 (Security & Ethics) – ethical considerations of civilian casualties and foreign interference in sovereign states. Way Forward India should adopt a clear diplomatic stance condemning the aggression, engage with multilateral forums (UN, SAARC) to push for a cease‑fire, and safeguard its citizens by enhancing consular support in the region. Simultaneously, policymakers must monitor global energy markets to mitigate inflationary pressures arising from the conflict.