The Strait of Hormuz, a key passage through which nearly a fifth of the world's oil passes, is falling into a zone of extreme tension. Donald Trump now claims to completely control access, declaring that no ship can circulate there without the approval of the American Navy. This position comes after several military incidents between Washington and Tehran, escalating an already explosive crisis. Between demonstration of force and direct responses, this face-to-face redraws the energy and strategic balances on a global scale.
In brief
- Donald Trump announces total control of the Strait of Hormuz, affirming that no ship can circulate without the agreement of the American navy.
- The United States sets up a strategic naval blockade to put pressure on Iran and limit its oil revenues.
- A series of military incidents is escalating tensions, with interceptions, seizures of ships and Iranian responses.
- This escalation poses major risks to global energy and geopolitical stability.
A show of military force in the heart of the Gulf
Donald Trump affirmed on April 23 that the United States exercises absolute control over the Strait of Hormuz. So, he has declared : “We have total control over the Strait of Hormuz. No vessel may enter or exit without permission from the United States Navy. It is completely locked down, and will remain so until Iran reaches a deal”.
This announcement is part of a military sequence that began on April 13, the date on which Washington officially set up a blockade aimed at putting pressure on Iran.
Here is some key elements :
- On April 19, the destroyer USS Spruance intercepted the Iranian cargo ship MV Touska in the Gulf of Oman, fired on the engine room to immobilize it, then had it boarded by the Marines;
- On April 22, Iran responded by seizing two container ships and attacking a third ship in the strait;
- American forces then seize an oil tanker linked to Iranian smuggling operations;
- Donald Trump orders fire without hesitation on any boat laying mines and announces a tripling of mine clearance operations.
These actions illustrate a rapid rise in the American military presence in the area, with a clearly stated objective: to reduce Iran's economic capabilities by directly targeting its oil and maritime flows.
Markets under tension and a persistent diplomatic blockage
On the economic and diplomatic front, the situation reveals a more complex dynamic. The Strait of Hormuz accounts for around 20% of global oil trade, and any disruption has immediate repercussions on markets.
On April 23, Brent prices increased significantly while maritime trade showed signs of slowing down. Tehran, however, disputes the American version, asserting that the strait is not completely closed. Independent data indicates that some ships continue to operate, although several have turned back in the face of increasing risks.
On the political level, the impasse remains total. Iranian Foreign Minister accused the United States and Israel to be responsible for the escalation, while Iran refuses any negotiations while the blockade is in place, calling it an act of war. Despite active mediation by Pakistan and the maintenance of a broad ceasefire in the region, no concrete progress has emerged.
Buoyed by the announcement of the truce in the region, bitcoin rebounded, reflecting a renewed appetite for risk despite a still tense geopolitical context.
The coexistence of increased military pressure, economic tensions and fragile diplomatic channels reveals a lastingly unstable situation. The evolution of this standoff could weigh heavily on global energy markets and revive systemic risks, well beyond the Gulf.
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