WASHINGTON — Treasury Secretary Scott Bessent signed off on sanctions against seven Iraqi militia commanders Friday morning. The timing was not subtle.

Two weeks after a fragile ceasefire halted the Iran war, Washington is moving to squeeze Tehran's proxy network while the guns stay quiet. The message: the truce does not mean amnesty.

Who got hit

The Treasury's Office of Foreign Assets Control designated commanders from four Iran-backed groups — Kata'ib Hizballah, Asa'ib Ahl Al-Haqq, Harakat Al-Nujaba, and Kata'ib Sayyid al-Shuhada. All accused of directing attacks on US forces during the 40-day war that ended April 4.

Ammar Jasim Kadhim al-Rammahi of Kata'ib Hizballah coordinated drone strikes on American bases in western Iraq, Treasury said. Safaa Adnan Jabbar Suwaed of Asa'ib Ahl al-Haqq ran Iranian drone operations targeting coalition forces as recently as March.

The sanctions freeze any US assets and bar American entities from doing business with the seven men. Standard stuff. But the broader calculation runs deeper.

Why this matters now

Iran's proxy militias launched over 3,000 attacks during the February-April war, according to Pentagon tallies. Most targeted Israeli cities. But roughly 400 hit US interests — bases in Iraq's Anbar province, the embassy compound in Baghdad, contractor facilities in Erbil.

The attacks stopped when Supreme Leader Mojtaba Khamenei agreed to the ceasefire. His father Ali Khamenei, killed in the February 28 US-Israeli strikes that started this war, had built the proxy network over two decades. The son inherited it.

Question is whether he controls it.

"These groups have operated with near impunity while undermining Iraq's sovereignty," Bessent said in the Treasury statement. Translation: Baghdad cannot or will not rein them in. So Washington will try financial pressure.

The test case came three weeks ago. Kata'ib Hezbollah grabbed American journalist Shelly Kittleson in central Baghdad, held her for a week, then released her with orders to leave Iraq immediately. Prime Minister Mohammed Shia al-Sudani's government did nothing to stop it. Or punish it afterward.

The Iraq problem

Here is what makes this complicated. These militias are not just Iranian proxies. They are part of Iraq's official security structure.

The Popular Mobilization Forces, created in 2014 to fight ISIS, includes most of these groups. They draw government salaries. Use government weapons. Operate from government bases. Sudani cannot disband them without triggering a political crisis that could topple his coalition.

But Washington wants results. "We will not allow Iraq's terrorist militias, backed by Iran, to threaten American lives," Bessent warned.

The sanctions hit individuals, not the organizations themselves. That limits the economic impact. Most of these commanders do not have significant US assets anyway. Their funding comes through Iranian channels that were already sanctioned.

What changed

The February war shifted everything. Before, these groups conducted what they called "resistance operations" — sporadic attacks on US bases that rarely caused casualties. Manageable friction.

During the 40-day conflict, they went full-scale. Swarm drone attacks. Ballistic missiles. Coordinated strikes on multiple targets simultaneously. The Kurdistan Regional Government counted 47 attacks on facilities in Erbil and Duhok provinces alone.

American casualties were light — three contractors killed, 23 service members wounded. But the operational tempo proved these militias could sustain high-intensity campaigns when Tehran gives the order.

Now the ceasefire holds. Barely.

Iranian and US officials meet weekly in Muscat to manage violations. Small stuff so far — a drone here, a rocket there. Nothing that breaks the truce.

But Treasury's move Friday suggests Washington believes the quiet will not last. Better to pressure the network now, while diplomatic channels stay open, than wait for the next escalation.

The broader game

Iran's proxy strategy relies on plausible deniability. Tehran arms and funds the groups, but claims it cannot control their operations. Useful fiction when things go wrong.

These sanctions try to pierce that fiction. By naming specific commanders, Treasury creates a paper trail linking individual attacks to Iranian strategy. Makes it harder for Tehran to claim its proxies act independently.

The timing also sends a signal to Baghdad. Sudani is seeking a second term as prime minister. His political survival depends partly on managing the militia problem without triggering a confrontation that destroys his government.

Friday's sanctions give him cover to pressure the groups. He can point to American financial measures and argue that Iraq needs to rein in the militias to avoid broader economic consequences.

Whether it works depends on factors beyond Treasury's control. Mojtaba Khamenei's grip on power in Tehran. The stability of the ceasefire. Whether Sudani can survive the political mathematics of confronting groups that helped put him in office.

The next test comes May 15, when US and Iranian negotiators meet again in Muscat. If attacks resume before then, these sanctions will look like preparation for a broader confrontation.

If the quiet holds, they might actually help keep it that way.