Brett McGurk is a NCS world affairs analyst who served in senior nationwide safety positions below Presidents George W. Bush, Barack Obama, Donald Trump and Joe Biden.
Shortly after I landed in Baghdad for the primary time in January 2004, US intelligence companies intercepted a letter from Ayman al-Zawahiri, Osama bin Laden’s deputy, to Abu Musab al-Zarqawi, the chief of al Qaeda in Iraq. The letter mentioned using ruthless violence to set up an Islamic caliphate— first inside Iraq and in the end throughout the broader Middle East.
“The greatest battle of Islam in this era is now being waged,” Zawahiri wrote.
The United States publicized the letter, however few took severely the concept al Qaeda might carve out and govern territory throughout the guts of the Arab world.
Ten years later, I used to be again in Baghdad as Zarqawi’s successor, Abu Bakr al-Baghdadi, conquered Iraq’s second-largest metropolis and declared a caliphate spanning territory the scale of Indiana with tens of millions dwelling below its rule. We spent the following decade dismantling it.
The lesson stayed with me: When leaders brazenly declare long-term ideological goals and repeatedly display a willingness to use violence to obtain them, take them severely.
That lesson applies to Iran.
For practically 5 a long time, American presidents of each events have approached Iran with completely different combos of diplomacy, sanctions, deterrence and navy power. Yet the battle between the United States and the Islamic Republic persists as a result of the central driver of Iran’s habits has remained remarkably fixed: the revolutionary ideology of the Islamic Republic itself.
The debate in Washington usually focuses on techniques. Democrats have a tendency to prioritize diplomacy and cite President Barack Obama’s 2015 nuclear settlement with Tehran as the perfect out there mechanism to constrain Iran’s nuclear ambitions and keep away from conflict. Republicans usually favor “maximum pressure” campaigns and navy deterrence, arguing Iran exploits diplomatic preparations whereas persevering with regional aggression.
Both arguments comprise parts of fact. Neither absolutely explains the continuity of the issue.
The throughline is just not shifting political winds in Washington, however slightly the enduring nature of the Iranian regime and the goals embedded within the Islamic Republic since 1979.
Nothing that President Donald Trump is now reportedly discussing with Iran — a transactional deal to reopen the Strait of Hormuz and maybe impose new nuclear limits — would alter what has been a set 47-year course.

Iran’s structure assigns the Islamic Revolutionary Guard Corps, or IRGC, not merely a defensive navy position however what it calls an “ideological mission of jihad in God’s way.” Over a long time, Iran’s revolutionary management has interpreted that mission as extending Iranian affect throughout the Middle East, expelling the US from the area, and supporting armed actions dedicated to Israel’s destruction.
Those objectives have transcended American and Iranian presidents, financial crises, sanctions campaigns, and diplomatic openings.
They clarify the sample of assaults, hostage-taking, terrorism, and proxy warfare that has outlined Iran’s relationship with the US because the seizure of the American embassy in Tehran in 1979. They additionally clarify Iran’s sustained funding in militant organizations throughout the area, together with Hezbollah, Hamas, Palestinian Islamic Jihad, Iraqi militias and the Houthis.
The IRGC was particularly designed to guard the revolution at dwelling and advance it overseas. Its expeditionary arm, the Quds Force, spent a long time constructing networks of armed companions able to projecting Iranian affect far past Iran’s borders.
At numerous moments, American policymakers hoped Iran’s revolutionary zeal would possibly reasonable in change for financial alternative and reintegration into the worldwide system. That hope was a part of the strategic logic behind the Obama administration’s nuclear settlement.
The JCPOA positioned significant constraints on Iran’s nuclear program for a interval and in that sense was an achievement. But it didn’t alter Iran’s regional conduct or revolutionary goals. In some respects, Tehran — flush with new financial assets — appeared more and more assured afterwards.
Shortly after the settlement was concluded, Supreme Leader Ali Khamenei dismissed recommendations that Iran’s posture towards Israel or the US would soften. He publicly predicted that Israel wouldn’t exist inside 25 years and vowed continued resistance all through the area.
Like Zawahiri, that boast was not rhetorical theater. It aligned with the trajectory Iran had adopted for many years.
October 7, 2023, represented the clearest manifestation but of that trajectory.
Hamas — armed, financed, and supported by Iran over a few years — launched the deadliest assault in Israel’s historical past, killing greater than 1,200 individuals and taking greater than 250 hostages. Most governments all over the world condemned the atrocities. Iran’s management as a substitute celebrated them and what it described as resistance towards Israel.
Within days, Iranian-backed teams throughout the area joined the battle. Hezbollah started firing rockets from Lebanon into northern Israel. Iranian-backed militias in Iraq and Syria launched repeated assaults towards American forces. The Houthis in Yemen started concentrating on business delivery and American naval property within the Red Sea.
All of this mirrored a long time of Iranian funding in a community designed exactly for this function: making use of stress towards Israel and the US by a number of fronts whereas sustaining various levels of deniability.
Iran finally launched two unprecedented direct missile and drone assaults towards Israel from Iranian territory itself — earlier than Israel had immediately attacked Iran.

Trump is the primary president to immediately goal senior Iranian navy management and later authorize navy operations inside Iranian territory itself.
Some of these actions produced tangible tactical outcomes. The killing of Quds Force commander Qassem Soleimani in 2020 disrupted Iran’s regional operations. Subsequent strikes towards Iranian navy infrastructure and nuclear services considerably degraded components of Iran’s missile, drone and nuclear applications.
But tactical navy success alone doesn’t produce strategic outcomes.
Indeed, the occasions of the previous few months have underscored the boundaries of navy energy alone when confronting a deeply entrenched revolutionary system. While battered, Iran’s system seems to have consolidated with main roles for hardened ideologues like Ahmad Vahedi, the IRGC’s new chief — who led the Quds Force by a lot of the Eighties and Nineteen Nineties.
American techniques — navy, diplomatic, financial — could be efficient at degrading Iranian capabilities, however they’ve confirmed wholly ineffective at altering the ideological course of the Iranian regime itself.
Even with rumors of a deal across the nook, Iran’s new Supreme Leader doubled down on his late father’s goals to eject America from the Middle East, and to eradicate the state of Israel. “From now on,” he wrote this week, “Death to America, and Death to Israel will be the common slogans of the Islamic Ummah.”
For good measure, he reaffirmed his late father’s vow to see Israel eradicated by the yr 2040 — a boast Israel has no selection however to take severely.
Israel, in flip, could have a brand new authorities following elections later this yr, however its extra proactive safety doctrine after October 7 is unlikely to change. It will act on threats as they come up, whether or not shut to its borders or inside Iran itself together with towards Iran’s missile program.
The United States will additionally act to defend itself and its pursuits. This week, at the same time as Washington and Tehran negotiated to reopen the Strait of Hormuz, the IRGC was caught laying new mines within the Strait — main to a navy change.
This actuality — Iran’s defining ideology, Israel’s penchant to act towards perceived threats and America’s safety of its personal pursuits and personnel — will create ongoing challenges for Trump and his successor. Until there may be political change in Iran, we should always count on a recurring cycle of confrontation, non permanent de-escalation and renewed confrontation.