Summary
The US and Iran have resumed direct military strikes nearly a month after signing the Islamabad Memorandum of Understanding, with Washington reimposing a naval blockade on Iranian ports and Tehran threatening to halt all regional energy exports. Brent crude has climbed near $85 a barrel and shipping companies are increasingly avoiding even the US-guided transit routes through the Strait of Hormuz after a wave of tanker attacks.
WHY IN NEWS FOR UPSC & STATE PCS
US Central Command launched fresh strikes on Iranian coastal defence and missile sites, while Iran's Revolutionary Guards struck back at US targets in Bahrain and threatened to close all regional export corridors. The collapse of the June 17 Islamabad MoU has reopened the Strait of Hormuz as the central flashpoint, directly threatening India's energy imports at a moment when the IMF warns global oil buffers are already depleted.
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THE CEASEFIRE'S COLLAPSE IS THE STORY, NOT THE STRIKES THEMSELVES
Strip away the daily strike reports and one fact does the real explanatory work here: the Islamabad Memorandum of Understanding, signed barely a month ago, papered over the actual dispute instead of resolving it. Iran's Deputy Foreign Minister said the renewed US blockade "has, in a way, dismantled" the MoU - but the more accurate read is that the MoU was never strong enough to survive contact with the underlying disagreement it was supposed to settle: who controls transit through the Strait of Hormuz.
WHAT EACH SIDE WAS ACTUALLY BUYING WITH THAT CEASEFIRE
Washington needed the MoU to stop the bleeding on oil prices and get shipping moving again without conceding anything on its right to patrol the Strait - hence the elaborate US-guided transit scheme launched quietly in June, moving tens of millions of barrels through supposedly safe lanes.
Iran needed the MoU to buy time to rebuild capacity while keeping its core claim intact: that it, not Washington, controls access to Hormuz. Neither side actually gave up its underlying position; they simply agreed not to act on it for a few weeks.
That is why the ceasefire was always more fragile than its "interim deal" framing suggested - it was a pause on enforcement, not a resolution of the claim itself.
WHY THE OMANI ROUTE FAILING IS THE REAL SIGNAL
The detail that matters more than the strikes is quieter: shipping companies are now avoiding even the US-military-guided route on the Omani side of the Strait, after five ships were attacked there since July 7. That data point tells you Washington's actual leverage - its ability to guarantee safe passage through an alternative lane - has failed, not just that fighting resumed.
If the "safe" route is no longer safe, the US has lost the one card that let it claim de facto control of the chokepoint without a full naval confrontation. For India, this isn't background noise. The IMF's own economists note that spare oil capacity and inventories, which cushioned prices during the February war, have already been drawn down - "the world will start from a weaker position when the next shock comes." That leaves India's energy security architecture, increasingly built around discounted Russian crude as a hedge against Gulf volatility, facing its most direct stress test yet: not a hypothetical Hormuz closure, but a live one, at the exact moment global buffers are thinnest.
Quick Facts
Islamabad Memorandum of Understanding was signed June 17, 2026 and collapsed within a month. Brent crude traded near $85 a barrel, roughly 15% above pre-war levels. Five ships were attacked in Omani waters since July 7. US Senate Democrats blocked a $1.15 trillion defense policy bill over the unauthorised strikes. The Bab el-Mandeb Strait is also under threat from Houthi forces.
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How India's current crude sourcing mix - Russian, Gulf and US - actually performs under a full Hormuz disruption scenario, work by work
The specific diplomatic tightrope India walks maintaining ties with both Washington and Tehran while depending on Gulf energy routes
The full breakdown of why the Bab el-Mandeb threat from the Houthis compounds rather than merely adds to the Hormuz risk
The complete Way Forward section on strategic petroleum reserves and alternate corridor investments India should be accelerating right now
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