TLDR
- Major NATO members have declined to participate in US-requested military operations in the Strait of Hormuz
- German and UK officials state the Iran conflict falls outside NATO’s defensive mandate
- Crude oil prices have crossed the $100 per barrel threshold following strait disruptions
- The European Union’s Aspides naval operation has not received authorization for expansion to the region
- Trump issued warnings about NATO’s future if member states decline his appeal
Since February 28, joint US-Israeli military actions against Iran have been underway. The critical Strait of Hormuz waterway, responsible for transporting approximately 20% of global oil supplies, has experienced significant disruption. This has pushed crude oil valuations beyond the $100 per barrel mark.
Over the weekend, Trump appealed to NATO partner nations to deploy naval assets to help maintain security in the strategic passage. The response from most European capitals was negative.
Germany’s Foreign Minister Johann Wadephul stated Berlin would not participate in military actions. Defence Minister Boris Pistorius was unambiguous in his response: “This is not our war. We have not started it.”
A spokesperson for German Chancellor Friedrich Merz characterized the situation as unrelated to NATO, emphasizing that the alliance exists “for the defence of territory.”
European Leaders Push Back
British Prime Minister Keir Starmer clarified that operations in the Strait of Hormuz were never intended as a NATO initiative and stated the UK would “not be drawn into the wider war.” He acknowledged ongoing discussions about deploying UK mine-hunting drone technology already positioned in the area.
Several nations including Greece, Italy, the Netherlands, and Lithuania voiced concerns. Dutch Prime Minister Rob Jetten characterized a rapid mission deployment as highly challenging.
Baltic states Estonia and Lithuania indicated openness to reviewing the American proposal but emphasized the need for strategic clarity. Estonian Foreign Minister Margus Tsahkna questioned: “What will be the plan?”
Denmark’s top diplomat suggested European nations should remain receptive to protecting navigation freedom through the strait, despite opposing the US-Israeli military escalation with Iran.
Poland indicated it would give serious consideration to any official NATO channel request.
Oil Markets and Crypto React
Oil prices exceeding $100 per barrel have created turbulence across energy sectors. EU foreign policy chief Kaja Kallas noted that the strait’s blockage inadvertently benefits Russia by increasing energy revenue that finances its Ukrainian military campaign.
The European Union’s Aspides operation, established in 2024 to safeguard commercial vessels from Houthi threats in the Red Sea region, has not received expanded authorization. Following discussions in Brussels, Kallas reported “no appetite” for mission extension.
France floated the possibility of Aspides expansion and indicated potential vessel contribution. Trump claimed French President Macron expressed France’s willingness to provide assistance.
By Tuesday, Trump posted on Truth Social declaring American self-sufficiency, stating the US no longer required NATO support, adding “WE NEVER DID.” He announced Secretary of State Marco Rubio would publicly identify participating nations.
In a Financial Times interview, Trump cautioned that NATO confronts a “very bad” outlook should his request receive no positive responses.


