Operation Economic Outcast: The Sanctions Campaign That Has to Hold Until November

Last Saturday, President Donald Trump stood in front of cameras and confirmed he rejected Iran’s latest proposal to reopen the Strait of Hormuz. Tehran had offered a seven-day clock: open the strait, restart nuclear talks, and observe a regional ceasefire in exchange for sanctions relief and roughly $12 billion in frozen assets. Trump’s answer was a flat no.

Two days earlier, the Wall Street Journal had reported that Trump told aides he expects to resume bombing Iran after November’s midterms. Those two data points together reveal the shape of the next two months. The military campaign is on pause. The diplomatic channel is shut, at least for this proposal. The instrument the US is betting on is economic pressure.

That pressure campaign has a formal name. Treasury Secretary Scott Bessent calls it “Operation Economic Outcast.”

What the campaign covers

The most visible piece landed on September 23. Treasury announced that all Iranian commercial airlines would cease global operations that day, as secondary sanctions cut off the international financial system from anyone processing Iranian aviation transactions. Bessent made the implications personal: he noted publicly that the Iranian delegation at the UN in New York would have trouble booking a flight home.

The aviation shutdown is the surface. The foundation is a secondary sanctions regime that penalizes any third-party bank, airline, or energy buyer that processes Iranian transactions. The legal instrument is the Lindsey Graham Act, which Trump signed into law on September 19, extending Iran sanctions through 2031. It gives Treasury authority to pursue foreign entities that continue doing business with Tehran’s government, energy sector, or aviation system, regardless of where those entities are incorporated.

Foreign Policy reported last week that the campaign is designed to push Iran’s economy toward a breaking point before the midterms, in the hope that Tehran will accept terms it has so far refused.

The coalition and its unusual members

On Sunday morning, Bessent publicly thanked the United Kingdom, Turkey, Oman, and the UAE for cooperating with the sanctions campaign. The list is more unusual than it appears.

Turkey’s inclusion stands out. Ankara has historically balanced commercial ties with Tehran alongside its NATO obligations, and Turkish carriers have long connected Iranian cities to the global air system. Turkish Airlines, Pegasus, and AJet cancelled Iran flights within days of the secondary sanctions announcement. Three carriers cancelling together, and Bessent naming Turkey publicly, signals that Ankara made a deliberate choice to comply rather than test its exposure to the secondary sanctions penalties.

The UAE has for years served as a major re-export hub for goods flowing into Iran, a role that put it in an ambiguous position under prior sanctions regimes. Its presence on the cooperation list suggests Washington considers that arrangement closed, at least formally.

Oman is the outlier. Muscat has been the backchannel through which Iran transmitted its Hormuz proposals to Washington. Thanking Oman for sanctions enforcement while Oman is simultaneously the diplomatic intermediary suggests Washington sees the two roles as compatible. Tehran may see the situation differently.

The fault lines

Three gaps are visible in the coalition.

China has called the secondary sanctions “illegal unilateral measures.” That position is largely rhetorical. Beijing objects to US secondary sanctions as a matter of routine. But Chinese compliance has historically been selective, and Chinese entities are among the largest buyers of sanctioned Iranian crude oil. Foreign Policy reported that Operation Economic Outcast risks a trade confrontation with China specifically because of that exposure. Trump pressed Xi on Chinese support for Iran at last week’s summit, but the summit communique focused on trade tariffs and AI, not Iran’s oil sales.

India is the second gap. The Lindsey Graham Act targets Iranian transactions but also threatens India’s substantial Russian crude oil purchases. Indian refiners have been reducing Russian imports as they search for alternatives, but the adjustment is costly and the diplomatic relationship is strained. Washington is asking New Delhi to absorb economic disruption it did not cause.

Qatar is the most layered case. QatarEnergy’s CEO warned that the Hormuz crisis may delay the company’s $83 billion LNG expansion because critical equipment cannot reach Qatar through the closed strait. Doha is absorbing real economic damage from the same disruption it is trying to help resolve as a diplomatic intermediary. Washington has not publicly addressed that contradiction.

Economic damage already visible

Strait traffic has fallen sharply. Commodity tanker passages through Hormuz dropped from roughly 35 vessels over a typical weekend to just a dozen last week, according to Reuters data cited by Middle East Eye. Saudi Arabia has rerouted supertankers to its Red Sea terminals at higher operating cost. The International Energy Agency projected that the closure could push global coal demand to record highs as countries reroute their energy mix away from constrained oil and gas, OilPrice reported.

As covered earlier this week, the September 23 aviation shutdown has largely taken effect. Global carriers halted Iran service and Iranian airlines lost access to the interbank settlement infrastructure they need to process international transactions.

Five things to watch before November

At the UN General Assembly last Tuesday, Trump told world leaders he expected to reach a deal with Tehran after the midterm elections. He also told reporters that US and Iranian officials held a productive three-hour meeting on the UNGA sidelines, days before Iran submitted the formal Hormuz proposal Trump then rejected. The contact was real. The gap between what each side wants, for now, is also real.

That sets a specific 45-day watch list.

Whether Chinese entities continue buying Iranian crude at scale without penalty is the variable the campaign cannot resolve from Washington. If they do, the secondary sanctions regime will look like a US-and-allies structure with a ceiling rather than a genuine global coalition.

Whether India’s Russian oil imports keep falling, or stabilize, shows how much economic disruption New Delhi is willing to absorb before it pushes back. The answer will shape the bilateral relationship at a moment when the US needs India’s strategic alignment on multiple fronts.

Whether QatarEnergy formally announces delays to its LNG expansion tells you whether Doha has concluded that the diplomatic role Washington is asking it to play is worth the financial cost. If it has absorbed a multi-billion-dollar hit from a disruption it is helping to mediate, it will remember that.

Whether Hormuz traffic recovers on its own, without a formal deal, undercuts the campaign’s central premise. The logic of “Operation Economic Outcast” depends on the strait staying largely closed. Partial reopening without a deal would reduce pressure on both sides and make the next round of negotiations harder.

Whether Republicans hold Congress in November. Earlier analysis on this site outlined the terms Iran is seeking and the political bind they create for Trump. A strong midterm result would give him more room to accept a deal without it being framed as capitulation. A poor one might push him toward the other option he mentioned at the UN.

The sanctions campaign has produced real disruption in six weeks. The question is whether six more weeks is enough to change the calculation in Tehran, and whether the coalition holds together that long.