President Donald Trump announced Wednesday that the United States will resume bombing Iran later in the day, telling reporters at the White House that American forces would be hitting the Islamic Republic “very hard” — the second consecutive day of strikes triggered by the downing of a U.S. Army Apache helicopter near the Strait of Hormuz earlier this week.

“We hit ’em hard yesterday and we’re going to hit ’em hard again today,” Trump said, framing the renewed campaign as both retaliation for the helicopter incident and punishment for Tehran’s foot-dragging at the negotiating table. In a Truth Social post earlier in the morning, the president declared that Iran would “pay the price” for taking too long to close a deal, dismissing the Islamic Republic as “all talk and no action.”

The ceasefire was already fragile. The Iranian delegation had barely landed in Doha. And then the Islamic Revolutionary Guard Corps Navy fired on a US oil tanker attempting to transit the Strait of Hormuz.

That is the situation as of the early hours of May 28. According to IRGC-affiliated Tasnim News, an American oil tanker entered the strait with its radar system switched off — a provocation, in Tehran’s framing — and was turned back after IRGC naval forces fired toward the vessel. The US struck what it described as a “burnt area” near Bandar Abbas in response. No casualties were reported on either side.

On Memorial Day, while Donald Trump posted that negotiations with Iran were “proceeding nicely,” U.S. Central Command was conducting airstrikes on Iranian territory. The contradiction was not incidental. It is the operating condition of the current ceasefire — a state of managed belligerence in which neither side has agreed on what stopping the war actually means.

CENTCOM spokesman Captain Tim Hawkins confirmed Monday that U.S. forces struck missile launch sites and Iranian boats in southern Iran that were, per the statement, “attempting to emplace mines.” The justification was self-defense. The framing was restraint. The reality is that strikes under a nominally active ceasefire have become routine enough that the announcement generated less alarm than the diplomatic commentary surrounding it.

The memorandum of understanding taking shape between Washington and Tehran will be presented as a nuclear agreement. In the Gulf, it will be read as something else entirely: a confirmation that sustained pressure on American interests produces concessions, and that the window between signature and collapse is long enough to bank strategic gains. Iran has played this game before. It plays it better than its counterparts.

The immediate operational question for the Strait of Hormuz is not whether Iran will comply with enrichment limits — it is what Iran does with the political cover an agreement provides. Sanctions relief, even partial, flows into the IRGC economy. The IRGC economy funds the naval and missile programs that make the Strait a coercive instrument. The Islamic Revolutionary Guard Corps Navy has spent the post-2019 period expanding its fast-boat fleet, hardening its coastal missile batteries, and practicing asymmetric harassment operations against commercial shipping with a regularity that Western navies have managed but not stopped. An MOU does not address any of that architecture. It addresses centrifuge counts at Fordow and Natanz. The two tracks are not connected in Iranian strategic planning, and Washington has repeatedly failed to treat them as connected in its own.

A bulk carrier was struck by an unknown projectile on Sunday morning approximately 23 nautical miles northeast of Doha, igniting a fire aboard the vessel, the United Kingdom Maritime Trade Operations Centre confirmed. The fire was subsequently extinguished. No casualties or environmental damage were reported.

The attack is the latest in a sustained campaign of maritime strikes across the Persian Gulf following the shaky ceasefire that halted direct US-Iran combat operations. No party has formally claimed responsibility, but the strike follows explicit warnings issued hours earlier by Brigadier General Amir Akraminia, spokesman for the Iranian Army, who stated that countries enforcing sanctions against Iran “will certainly face problems passing through the Strait of Hormuz.”

Iranian military spokesman Mohammad Akraminia issued an explicit threat this week that countries following the United States in imposing sanctions on Tehran would face difficulties transiting the Strait of Hormuz. The statement, reported by the state-aligned Tasnim news agency, dropped any residual pretense of Iranian restraint in the waterway. Akraminia added that the enemy had recognized it could not break the resolve of Iranian forces and would ultimately be compelled to accept a ceasefire on Tehran’s terms.

Senator Lindsey Graham (R-SC) pushed back sharply Monday on reports that Iran has floated a new offer to resolve the current crisis — one that would lift the blockade and reopen the Strait of Hormuz in exchange for deferring the harder questions about its nuclear program and support for terrorism.

Graham said he didn’t know how accurate the reporting was, but found it entirely believable — and entirely unacceptable.

“I understand why Iran would make that offer,” Graham wrote, which is another way of saying: of course a cornered regime would try to trade the one card it’s holding for breathing room, while leaving its core assets intact. The strait is leverage. The nuclear program is the prize. Handing back the leverage while keeping the prize is not a deal — it’s a stall.

Of all the weapons in Iran’s arsenal for threatening the Strait of Hormuz, the naval mine is the one that demands the most serious attention. It is not the most dramatic option — no missile streaking toward a supertanker makes for better television — but it is the most operationally credible, the hardest to counter, and the one with the longest historical track record of actually disrupting Gulf shipping.

Understanding why requires understanding what mines do that other weapons do not.

Ali Khamenei is in his late eighties. Iranian succession planning is opaque by design but has been visibly active for several years. Whoever follows him inherits a maritime posture built around three decades of Khamenei’s particular preferences: aggressive enough to extract concessions, restrained enough to avoid full war. That equilibrium is personal. It does not survive the man.

The two leading succession scenarios point in different directions. A consolidation candidate from the IRGC orbit, the kind of figure who would emerge if the Guard’s institutional weight wins out, treats the Hormuz card more aggressively. The IRGC Navy’s leadership has spent forty years arguing internally that Iran’s deterrent value is underused. A Supreme Leader drawn from that worldview reduces the threshold for harassment operations and increases the frequency of incidents in the Gulf. Markets price this as a tail risk that gets fatter.

The headline weapons of Iranian maritime strategy are missiles and fast boats. The actual weapon, the one that has done the most damage at the lowest cost across four decades, is the sea mine. Mines are unglamorous, undermarketed, and operationally devastating. Any serious analysis of a Hormuz contingency starts with them.

Iran’s mine inventory is large and varied. Estimates run to several thousand devices, ranging from refurbished Soviet contact mines to indigenous influence mines triggered by acoustic, magnetic, or pressure signatures. Some are tethered. Some are bottom-laid. Some are smart enough to count ship signatures and ignore the first several passes before activating. The technological floor is low. The technological ceiling is high enough to challenge even modern minesweeping.

The IRGC Navy has spent three decades cultivating a single image: clouds of fast-attack craft swarming across the Gulf, overwhelming American destroyers through sheer numbers. The image has been reinforced by exercise footage, parade reels, and obliging Western analysts who treat the visual as evidence of doctrine. The doctrine is real. The image, in its operational form, is mostly theater.

A swarm requires three things to function: numbers, coordination, and a target that cannot effectively defend itself. The IRGC has the numbers, several hundred small craft of varying capability, from rebadged Bladerunner hulls to indigenous Peykaap classes. Coordination is harder. Iranian command and control over distributed light units in a contested electromagnetic environment is not what the parade footage suggests. Western jamming, GPS denial, and persistent ISR turn a swarm from a coordinated attack into a collection of isolated boats moving at thirty knots toward ships that detected them an hour earlier.

Iran is the only major power with two formally separate navies operating in the same waters under conflicting doctrines. The Artesh Navy, the regular force inherited from the imperial period, conducts conventional operations. The IRGC Navy, the revolutionary parallel structure, conducts asymmetric ones. The arrangement was politically expedient at its creation. Forty years on, it produces a force that is internally incoherent and externally legible.

The Artesh Navy fields frigates, submarines, and a thin blue-water capability. It deploys to the Indian Ocean, calls at port in Oman and India, and stages occasional joint exercises with Russia and China. Its officer corps is professionally trained and its institutional memory predates the revolution. Its doctrine is recognizably that of a small conventional navy: presence, deterrence, force protection. It is the Iran that wants to be treated as a normal regional power with normal naval interests.

The Supreme Leader of the Islamic Republic of Iran is eighty-five years old. His health has been the subject of sustained speculation for years, with periodic reports of serious illness that the Iranian government neither confirms nor adequately denies. The succession question is not speculative. It is operational. The individuals and factions positioning for post-Khamenei influence are doing so now, and their relative strength when the transition occurs will determine whether the Islamic Republic emerges from succession in a more confrontational or more accommodating posture toward the outside world, and toward Hormuz specifically.

The Islamic Revolutionary Guard Corps Navy does not train to defeat the United States Navy in open water. It trains to make the cost of operating in the strait prohibitive. These are different strategic problems with different solutions, and the IRGCN has spent four decades refining the second one while ignoring the first.

The doctrine that has emerged from this period is sometimes called asymmetric maritime warfare, which is accurate as far as it goes. What the label understates is the geographic specificity of the strategy. The IRGCN is not a general-purpose force. It is a Hormuz force. Every element of its order of battle — the fast attack craft, the anti-ship missile batteries, the submarine fleet, the mine warfare capability, the shore-based artillery — is oriented around the same twenty-one-mile problem.