The strait is still closed, import of fertilizer and bulk materials has effectively ceased: https://news.un.org/en/story/2026/08/1168190
The onus is now on the United States to escort ships in and out of the Strait with the US Navy, for shipping to resume for US allies. Otherwise, Iran has the initiative and the means to ransom anyone in the Strait for insurance. Israeli intelligence estimates say that the IRGC possesses as many as 80,000 operational UAVs[0] and can manufacture upwards of 400 Shahed 136 drones in a day. The United States does not have enough interceptors to escort ships even if that manufacturing was cut by 3/4ths. And there are no doubt tens-of-thousands of drones in reserve, earmarked for the littoral defense mission.
So, how can things escalate? Iran can use cheap weapons to terrorize global shipping for longer than the US Navy can sustain itself in the Gulf. MLRS artillery and drones can deny the Marine Corps a steady foothold or a safe supply chain to any of the Iranian shore islands. Tehran is too far away from America's allies to attempt a Thunder Run with the Army, and a demonstrable risk to the Air Force if they use drones or jets to support their ground formations.
If the goal of this war truly is to prevent Iran from developing a nuclear weapon, then America has to react. Iran has thousands of centrifuges in storage, domestic uranium mines and a stockpile of LEU and MEU[1] on standby.
[0] https://www.newsrael.com/posts/611y4wktzum
[1] https://world-nuclear.org/information-library/country-profil...