Nine days. That’s how long the Islamabad Memorandum lasted before someone fired the first shot that both sides agree actually happened.
On Thursday, June 25, 2026, Iran’s Islamic Revolutionary Guard Corps launched at least four one-way attack drones at commercial vessels transiting the Strait of Hormuz. One struck the upper deck and bridge of the Ever Lovely, a Singapore-flagged cargo ship owned by Taiwan’s Evergreen Marine, off the coast of Oman. The US Navy shot down the other three. By Friday, President Trump was calling it a “foolish violation” of the ceasefire, and US Central Command had already struck back at targets inside Iran.
In our analysis, this is the moment worth watching closely, not because anyone expected the ceasefire to be calm, but because this is the first incident both Washington and Tehran are pointing to directly, by name, as the other side breaking the deal. Vague mutual accusations are one thing. A drone hitting a named ship, followed by named airstrikes on named Iranian targets, is a different category of escalation entirely.
What Actually Happened, in Order
The sequence here matters, because both sides are using it to justify what came next.
Trump laid out his version on Truth Social Friday morning: “The Islamic Republic of Iran shot at least four One Way Attack Drones at Ships transversing the Strait of Hormuz. One of the Drones solidly hit the upper deck of a large and very expensive Cargo Carrying Ship. Damage was done, but the Ship was able to proceed on its way. We knocked down three other Drones.”
Here’s the confirmed sequence of events:
- Thursday: An Iranian drone strikes the Ever Lovely’s bridge windows off Oman; three other drones aimed at ships are intercepted by US forces
- Evergreen Marine confirms in a filing to the Taiwanese stock exchange that the ship sustained bridge window damage, no injuries occurred, the cargo was safe, and the vessel’s main engine and navigation equipment continued operating normally
- Friday: Trump publicly calls the attack a “foolish violation” of the ceasefire and is asked by reporters whether Iran will face consequences; he replies, “You’ll find out”
- Friday: US Central Command conducts strikes on Iranian missile and drone storage locations and coastal radar sites, calling it a “powerful response” to what it described as Iran’s “unwarranted aggression” against commercial shipping
- Iran’s IRGC responds with its own statement, framing the US strikes as the actual violation, tied to what it calls Israel’s prior breach of the ceasefire in southern Lebanon
That last point is worth sitting with, because it shows how this single incident is being absorbed into a much larger argument neither side has resolved.
Why Both Sides Think the Other One Broke the Deal First
This is genuinely difficult to summarize neutrally, because Washington and Tehran are pointing to different starting points entirely.
The Islamabad Memorandum, signed by Trump and Iranian President Masoud Pezeshkian on June 17 and 18, established a 60-day extension of the broader ceasefire, with toll-free reopening of the Strait of Hormuz as one of its central provisions. Pakistan, which mediated the agreement, said at the time that Iran would reopen the strait “instantly” and that the American naval blockade would end “immediately.”
The complication is that Iran’s position has shifted around a separate grievance. The IRGC’s statement following Friday’s US strikes explicitly tied its actions to what it called a prior ceasefire violation by Israel in southern Lebanon, arguing that the US, by extension, had already broken its own commitments before the drone strike on the Ever Lovely happened at all. The IRGC also cited a specific clause of the memorandum, arguing that control over passage arrangements in the Strait of Hormuz belongs to Iran, and that the ship that was struck was using an “unauthorized route.”
Vice President JD Vance, who has helped lead the US side of negotiations throughout this process, posted a far blunter response on social media Friday: “Iran signed a ceasefire agreement. We have honored it. If they have disagreements about how the MOU is being applied, they can pick up the phone. But violence will be met with violence.”
That gap, Iran framing this as retaliation for an unresolved Lebanon grievance, and the US framing it as an unprovoked attack on neutral commercial shipping, is the same structural tension that’s defined this ceasefire since before it was even signed.
This Isn’t the First Time Hormuz Has Been the Pressure Point
Anyone following this conflict closely will recognize the pattern. The Strait of Hormuz has functioned as Iran’s primary leverage point throughout the entire negotiating process, repeatedly closed, reopened, and threatened again whenever talks stalled or Iran felt the US and Israel weren’t honoring their side of the deal.
A quick recap of how often this exact flashpoint has resurfaced:
- Iran closed the strait when the war began in February, disrupting roughly a fifth of the world’s seaborne oil trade
- The US imposed its own naval blockade in April after the first round of Islamabad Talks failed to produce an agreement
- Iran threatened closure again on June 20, citing Israeli strikes in Lebanon as a ceasefire violation, even after the broader memorandum had been signed
- Trump responded to that June 20 threat by warning he would invade Iran if the strait was closed, reportedly telling Iranian negotiators in Switzerland they “won’t even make it back to their f***ing country”
When looking at that pattern, Thursday’s drone strike doesn’t read as an isolated incident so much as the latest entry in a now-familiar cycle: Iran applies pressure through the strait, the US responds with overwhelming force or threats of it, and both sides then publicly insist the other started it.
The Bigger Risk: This Could Unravel a Genuinely Hard-Won Deal
It’s worth being direct about what’s actually at stake here, beyond this single exchange of strikes.
The Islamabad Memorandum took an extraordinary amount of diplomatic effort to produce. It followed the first direct US-Iran talks since the 1979 Islamic Revolution, multiple rounds of Pakistani-mediated negotiations, and a war that had already killed Iran’s supreme leader and thousands of people across Iran and Lebanon. The deal includes provisions most observers consider genuinely significant: a $300 billion fund for Iran, sanctions relief, the release of frozen Iranian assets, and a 60-day window to negotiate the harder, unresolved questions around Iran’s nuclear program.
What makes Friday’s exchange different from the rhetorical back-and-forth that’s defined most of this process:
- This is the first incident since the memorandum’s signing where the US has conducted actual airstrikes inside Iran in direct response to a specific, named attack
- Both the drone strike and the US retaliation are independently confirmed by multiple sources, including the ship’s own owner, rather than relying on contested claims from either government
- The IRGC explicitly stated, “If the aggression is repeated, our response will be broader than this,” which reads as a direct threat of further escalation rather than a one-off retaliatory exchange
That combination, a confirmed attack, a confirmed military response, and an explicit threat of escalation if it happens again, is meaningfully more serious than the verbal disputes over interpretation that have characterized most of this ceasefire’s rocky history so far.
What Pakistan’s Mediating Role Means Now
Pakistan brokered this entire process, and its credibility is now genuinely tied up in whether this memorandum survives its first real test. The Islamabad Talks in April, the signing ceremony split between Versailles and Tehran in June, and the follow-up negotiations in Switzerland all ran through Pakistani mediation, with Prime Minister Shehbaz Sharif personally endorsing the agreement as mediator.
Pakistan hasn’t yet been reported taking a public position on Friday’s specific exchange of strikes. Given how directly invested Pakistan has been in this process, and how much diplomatic capital Islamabad has spent getting both sides to this point, it’s a reasonable expectation that Pakistani officials will move quickly to try to contain this incident before it spreads into a broader breakdown, though that’s an expectation based on Pakistan’s established pattern of involvement, not a confirmed plan.
What to Actually Watch From Here
The most important signal in the coming days isn’t going to be more statements from Trump or the IRGC. It’s whether Iran follows through on its stated threat of a “broader” response, and whether the US treats this exchange as concluded or escalates further itself.
Asked directly whether the ceasefire was still in place, Trump’s own answer on Friday was notably hedged: “I don’t like the fact that they took a shot yesterday… they shouldn’t be doing that. So, you’ll find out.” That’s not language confirming the deal has collapsed, but it’s also not the language of someone treating Thursday’s incident as fully resolved.
The 60-day negotiating window established by the Islamabad Memorandum still has well over a month left to run, and the harder issues it was always going to need to resolve, Iran’s nuclear program chief among them, remain genuinely unsettled. Whether this specific incident becomes a contained, one-time exchange or the first domino in a larger unraveling will likely become clear well before that window closes.