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Rund Abdelfatah
Hey, it's Rund. The tensions between the United States and Iran are still very much in the headlines. What's happening now is just the latest chapter in a long and nuanced history between the two countries. So today we're bringing you an episode from our archives. Part one of this series took us to 1953 and the CIA backed overthrow of Iran's democratically elected prime minister. Today we pick the story back up in 1979, the secular Shah the US put in place after the coup in 1953 was suddenly facing a major crisis, an Islamic revolution.
Unnamed Historian 1
For the last seven days, Tehran and other cities have seen violent cris clashes.
Unnamed Historian 2
Between troops and demonstrators to soldiers with.
Unnamed Historian 1
Rocks and homemade petrol bombs.
Unnamed Historian 3
Hundreds of thousands of protesters took to the streets.
Unnamed Historian 1
Inevitably, the result is massacre.
Unnamed Historian 3
The Shah was forced to flee Iran.
Unnamed Historian 2
And a new leader, a Muslim cleric named Ayatollah Khomeini. Ayatollah Khomeini took power.
Unnamed Historian 1
Returns to a country teetering on the brink of civil war. The crowd shouted Allahu Akbar, God is great. And raced along with the motorcade trying to get a glimpse of the Ayatollah.
Unnamed Historian 2
And this began a new era in.
Unnamed Historian 3
U. S. Iran relations.
Unnamed Historian 1
In an obvious reference to the United States, he said foreign advisers have ruined our culture and have taken our oil.
Unnamed Historian 2
And so in the course of months, Iran went from one of America's best allies to one of America's worst adversaries.
Rund Abdelfatah
Not long after the revolution, Iran did something that solidified its new place as an American adversary.
Unnamed Historian 1
The American embassy in Tehran is in the hands of Muslim students. Tonight, spurred on by an anti American speech by the Ayatollah Khomeini, they stormed the embassy, fought the marine guards for three hours, overpowered them and took dozens of American hostages. Some 60Americans, including our fellow citizen whom you just saw bound and blindfolded, are now beginning their sixth day of captivity inside the US Embassy in Tehran. It's Friday morning there now.
Rund Abdelfatah
Over the past 40 plus years, this ongoing antagonism between the two countries has led to violent, even deadly results. In this 2019 episode from our archives, we explored the direct military confrontations, the COVID battles and the 21st century cyber war between Iran and the United States and the context behind the moment we're in today.
Unnamed Historian 4
Foreign.
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Unnamed Historian 4
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Unnamed Historian 1
Iraq claims to have carried out more than 130 air raids yesterday and to have shot down two Iranian jets Iraq's Saddam Hussein has been active in honoring his army's field commanders, whose string of recent military triumphs tilted the war decisively in Baghdad's favor. It was Saddam Hussein who declared, whoever climbs over our fence, we shall climb over his roof.
Unnamed Historian 2
The Iran Iraq war was one of the bloodiest wars of the second half of the 20th century. When it was over after eight years, there was over a million casualties, Iranian and Iraqi casualties, relations between Iran and.
Unnamed Historian 1
Iraq worse when the ayatollahs took over, the Iraqis claimed that the Iranians were refusing to implement border agreements and the first skirmishes broke out.
Unnamed Historian 3
Iraq invaded Iran on land and they met with some initial success, especially in the southwest, which was the oil producing region of Iran. But very quickly the war effort bogged down and by 1982 Iran had succeeded in expelling Iraqi forces out of Iran and it looked like momentum was working against Iraq in the long term. Iran has a much larger population, larger territorial base, so there were fears on the Iraqi side, that eventually, if the war dragged on, they would lose. So they tried to escalate and expand the war to include economic warfare. So they targeted Iran's oil industry. Iran responded in kind and started attacking ships in the Gulf that were going to pick up oil from other Arab countries that were allied to Iraq and providing financial and other help to Iraq as part of its war effort against Iran.
Unnamed Historian 2
For both countries, oil is the lifeblood of their economy. And so they're trying to sink one another's oil tankers to weaken one another economically.
Unnamed Historian 3
So they attacked using aircraft, helicopters, fixed wing aircraft, and they also attacked using small boats. The small boats very often would have machine guns, rocket propelled grenades, or small diameter rockets, 107 millimeter rockets. So they would pull up in front of a ship going through the Gulf. They would set up in a line in front of the ship's line of movement. And as the ship passed them, they would open fire and rake the hull, and sometimes they would shoot at the bridge where the crew was located.
Unnamed Historian 1
An oil tanker runs the gauntlet of air attacks in the Gulf War.
Unnamed Historian 3
Now the ships, because they are very large tankers and were often double hulled, the damage did not cause these ships to sink and they were able to continue with their mission, but it imposed costs. It was dangerous for the crews.
Unnamed Historian 2
And that area where Iran and Iraq were fighting, the Strait of Hormuz, is an incredibly crucial geoeconomic chokehold.
Unnamed Historian 1
Once through the entrance the Straits of Hormuz, the oil tankers face a problem. Regardless of their destination.
Unnamed Historian 2
On any given day, 20 to 40% of the world's oil passes through the Strait of Hormuz. And at its narrowest point, it's about 20 miles wide.
Unnamed Historian 1
What's happening is that the war on land between Iran and Iraq is spilling over into the sea, with Western tankers being the sitting targets for both sides.
Unnamed Historian 2
The world cared about what was happening with these tanker wars because it was affecting the price of gasoline throughout the world. It was absolutely crucial to the fate of the global economy.
Unnamed Historian 3
In 1986, 1987, Iran intensified its attacks on Kuwaiti tankers. In particular, Kuwait was playing an especially important role in the war as a country that was providing support to Iraq, financial and otherwise providing loans. They had been asking the United States about the idea of perhaps providing escort for their tankers so that they wouldn't be attacked. And at first we didn't respond with enthusiasm. So the Kuwaitis went to the Russians and the Russians responded almost immediately that they'd be willing to do so when we Heard about that. Our response was, well, we're potentially yielding the playing field in the Gulf to the Russians. And within the context of great power competition during the Cold War, the relationship was seen as a zero sum game.
Unnamed Historian 2
So that's when the United States got itself involved.
Unnamed Historian 1
From abc, this is World News Tonight with Peter Jennings. Good evening. That was an American flag on the back of that ship. And we begin this evening in what is surely the world's most dangerous body of water, the Persian Gulf.
Unnamed Historian 2
United States actually put its own flag on Kuwaiti tankers as a way of kind of deterring Iran from continuing these attacks.
Unnamed Historian 3
So we were kind of in effect, protecting our own ships at sea.
Unnamed Historian 1
Sierra Lima, India, this is Warship 3 7.
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Unnamed Historian 3
We set up an arrangement whereby we would have a convoy system where we'd pick up Kuwaiti tankers outside the entrance to the Persian Gulf and escort them for about a day or two until they reached Kuwait, drop them off, and then we would kind of go back and, you know, escort more ships coming in.
Unnamed Historian 1
And so the United States embarks on a Mid east mission which is haunted by one question. Will the Iranians try to attack the Kuwaiti ships now that they are technically American?
Unnamed Historian 2
It wasn't commonly done and in fact it was very controversial. Members of Congress were openly questioning, why are we doing that? You know, why are we putting American flags on the vessels of other countries? You know, why are we kind of stretching ourselves so thin and potentially getting involved in a war between two countries which are essentially both adversaries of the United States, Iran and Iraq?
Unnamed Historian 3
The American assumption had been going into this that the presence of US Warships protecting reflagged ships and the presence of a US Aircraft carrier in the region would deter the Iranians. We had no prior military experience with the Iranians. Except for the failed hostage rescue operation a number of years before, we had not had any sustained military interactions with the Iranians. And therefore we were kind of like a blank slate. We didn't really know what to expect and we made a lot of assumptions which turned out not to be correct when put up against the test of reality.
Unnamed Historian 1
That took a new turn today when American warships shelled and destroyed two Iranian oil platforms and then raided another. Smoke could be seen for 10 miles. But the message was meant for Tehran, 690 miles away.
Unnamed Historian 3
We were engaged in a low intensity conflict with Iran throughout this period, period which occasionally spiked to involve direct military engagements.
Unnamed Historian 1
It was in retaliation for the weekend missile attack by Iran on an American flagged tanker. Iran is believed to have fired the long range missile which last Friday struck the American flag tanker Sea Isle City, wounding many of her crew. All strategic.
Unnamed Historian 2
What you see is this, this conflict zone in which everyone has their finger on the trigger. You know, it's a fog of war. You're at sea and there's constant risk of miscalculation. There's lack of communication.
Unnamed Historian 1
The Islamic News Agency said the US has become involved in a full fledged war with Iran. The Iranian President Ali Khamenei is quoted as saying, we will retaliate.
Unnamed Historian 3
The United States expanded its rules of engagement to allow US vessels at sea to come to the aid of of ships from other countries that were not part of the reflagging operation but are being attacked by the Iranians. So we're being more proactive in the Gulf in terms of our activities. There was a newly arrived ship, the USS Vincennes, coming to the region. There was a new class of ship with a radar system that could see further out with greater resolution than the radar systems that were then used by the ship. Their role generally was to kind of hang back and provide big picture of the air defense environment for the other ships that were operating in the region.
Unnamed Historian 2
So on July 3, 1988, what happened.
Unnamed Historian 3
On July 3 was a Pakistani tanker had come under attack. The Vincennes sent its helicopter to investigate. As it approached the area where the attack was occurring, Iranian ships fired warning shots at the helicopter for it to stay away. The helicopter thought they were under attack and reported it as such. The Vincennes then steamed to the aid of its helicopter as well as to join the fight. In doing so, they moved into Iranian territorial waters, which was a violation of US Rules of engagement. At the same time, while it's doing this and while it's pursuing the Iranian warships that were involved in the attack against the Pakistani tanker, an Iranian civilian aircraft takes off from the airport in.
Unnamed Historian 2
The city of Bandar Abbas, which is an airfield and a port city in the south of Iran, en route to.
Unnamed Historian 3
Dubai in the United Arab Emirates.
Unnamed Historian 2
And what would usually be a 30 minute flight, very easy.
Unnamed Historian 3
And as it turns out, it was flying right over the area in which combat was, was going on on the surface. And it takes off. The crew of the Vincennes thought that this civilian jet was actually an Iranian fighter aircraft that was at first gaining altitude but then diving to attack.
Unnamed Historian 2
They mistook it for an Iranian military aircraft and they were trying to communicate with it, but they were using military frequency to communicate with this Iranian plane and they weren't getting any response. Because this Iranian plane was a civilian airliner, which wasn't on a military frequency. So after numerous attempts of trying to communicate with it, they shot two surface.
Unnamed Historian 3
To air missiles which brought down the Iranian airliner, killing 290 civilians aboard.
Unnamed Historian 1
There has been a dramatic and sudden escalation of hostilities in the Persian Gulf involving U.S. forces. There is the possibility that U.S. navy missiles may have accidentally shot down an Iranian civilian airliner. A civilian airliner carrying nearly 300 people.
Unnamed Historian 2
And so I think the fog of war, coupled with both a miscalculation, itchy trigger fingers and inability to communicate, you know, resulted in this terrible tragedy.
Unnamed Historian 1
Throughout the morning, there have been very confused reports as to what actually happened.
Unnamed Historian 2
To this day, the Iranian government believes there was no way this was an.
Unnamed Historian 1
Accident, saying that it was doubtful that the plane that was shot down was an F14 fighter because the plane was.
Unnamed Historian 2
Clearly marked, its flight pattern was clearly civilian aircraft headed to Dubai. There's probably dozens of such flights every day between Bandirab Bus and Dubai. But what the US Side talks about is the broader context. You know, this US warship was actually receiving fire from what they thought were Iranian warships. You know, there was constant attacks taking place during that time. And so the United States acknowledged it as a terrible mistake.
Unnamed Historian 1
President Ronald Reagan offered what is known as ex gratia payments, voluntary payments by the United States government to the families of the victims of Iran AR655 and.
Unnamed Historian 2
This settlement today for Iran, these things are not mistakes. Even if America claimed it was a mistake, the message that was taken by the Iranian side was that this was an act of open hostility.
Unnamed Historian 3
One of the things you often hear today is that there's always a worry about miscalculation in dealing with the Iranians, that there's always the potential for inadvertent escalation as a result of a tragic mistake. On the other hand, I would point out that one of the lessons of this conflict during the latter phases of the Iran Iraq war is that actually both sides were pretty good at keeping the level of conflict within a certain kind of relatively narrow band, that neither side wanted the conflict to spiral out of control and become an even larger war. And they largely succeeded in that regard.
Unnamed Historian 2
Several months later, Iran actually signed the peace treaty to end the Iran Iraq war. So the shooting down of Flight 655, Iran Air Flight 655 was a terrible tragedy in which civilians were killed. If you look back, though, at the history, it may have been that the Iran Iraq war might have lasted longer had that terrible incident not taken place. I think one thing the United States realized by the late 1980s was that the Iranian revolution was not just going to be a flash in the pan phenomenon. You know, that the revolutionary Islam and the Khomeinist ideology that was born out of the 1979 revolution was going to be an enduring concern. And shortly thereafter when the Soviet Union collapsed, I think Iran and the threat of radical Islamic eclipse communism as kind of challenge or threat number one for the United States. And I think similarly, one of Iran's takeaways from the Iran Iraq war and its interactions with the US military is that the US military's budget is more than 50 times that of Iran's. And so in a head to head conventional military matchup, Iran cannot compete with the United States. How it can compete is using essentially asymmetric warfare. Whether that's the use of proxies, whether that's the use of mines, in some cases taking hostages, having plausible deniability. Iran needed to figure out low cost, high impact ways to challenge the United States. And it's really honed that ability over the last four decades.
Rund Abdelfatah
That was Karim Sajadpour, a senior fellow at the Carnegie Endowment for International Peace, and Michael Eisenstadt, director of the Washington Institute's Military and Security Studies Program. Coming up, the story of the shadow war.
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Unnamed Historian 1
I blame myself for what happened. I was A sergeant of the guard. I was ultimately responsible for the security of that BLT. That morning, 0630 on Sunday morning, Beirut, Lebanon everybody was asleep. We have a bulletin from the Pentagon on the explosion in BEIRUT at the U.S. marines barracks. Then I heard the rev of an engine behind me. A truck loaded with explosives broke through a gate into the lobby of a building in Beirut occupied by Marines. Saw the truck come to a stop dead center of that lobby. Dead silence in the lobby. You could hear a pin drop. And then the next thing I saw was a bright orange flash. A speeding pickup truck crashed through barriers and exploded in the lobby of the headquarters building where Marines were sleeping. The first thing I said was son of a pitch, he did it. Causing the four story structure to collapse. Chunks of concrete and spears of broken glass were hurled hundreds of yards, wounding other Marines. Some of those wounded helped pull their colleagues from the rubble. Remember looking over my shoulder, there was a one Marine back here.
Unnamed Historian 3
Morning.
Unnamed Historian 1
Help me. Help me. God, help me. Somebody please help me. The Pentagon now estimates that 120 possibly more trucks filled with a lethal cocktail of TNT. 45 of the more critically wounded have been evacuated. Others remain to be evacuated later.
Unnamed Historian 3
Pretty hectic trying to just sort things out, see what, what the total effect of this, this tragedy is going to be.
Unnamed Historian 2
So in 1983, a truck bombing destroys US military Marine barracks in Beirut which was I think the deadliest single day attack on the U.S. marines since Iwo Jima. Almost two hundred and fifty Marines were killed. It was unclear to people who was behind this attack because it was a truck bombing. And you know, now we've become accustomed to suicide bombings. We read about suicide bombings often in the news. But at that time that was really a novel attack. It was, I think, widely assumed that Iran was responsible. But Iran shrewdly operated via proxy. They tried not to leave fingerprints. And you know, the attack was blamed on a group called Islamic Jihad, which is widely thought to be essentially the precursor to Lebanese Hezbollah.
Unnamed Historian 1
Hezbollah was created to fight Israel whose army invaded and occupied.
Unnamed Historian 2
The emergence of a group called Hezbollah, the Party of God, was essentially a byproduct of the two momentous events. One was the 1979 Iranian Revolution and the other was the 1982 Israeli invasion of Lebanon. And so as a result of these two things, all of a sudden the Shia community in Lebanon had an enormous, very wealthy external patron.
Unnamed Historian 1
It is a secretive militant movement of the Shia sect of Islam, largely funded and armed by Iran.
Unnamed Historian 2
Iran, after the revolution defined itself in opposition to the United States. And in opposition to Israel. And so you started to see an emergence of Shia radicalism in Lebanon, which Iran was harnessing. And, you know, Lebanon is a country in which America doesn't have enormous strategic assets. It's a very small country on the Mediterranean, but it doesn't have oil resources like Saudi Arabia. So the major reason for America's presence in Lebanon, to do peacekeeping and be there as a buffer for our key regional ally, which is Israel.
Unnamed Historian 1
There are no words to properly express our outrage. And I think the outrage of all.
Unnamed Historian 2
Americans after the bombings took up the Marine barracks, I think it caused a real debate within the Reagan administration. Some wanted to pin the blame on Iran. You know, others said there was no clear proof. And I think others also realized that if America were to blame Iran directly, then it would warrant action. You know, if you're going to blame Iran for massive attack on the US Marines, you can't just sit on your hands afterwards. You have to do something about it. And so I think for that reason, there was actually a reluctance within the Reagan administration to too aggressively blame Iran because America didn't really want to fight that war. And in hindsight, there are historians who actually criticize the Reagan administration because they say by not responding to that massive attack by Iran against the US Marines, it essentially emboldened Iran, realized that actually, suicide bombings can be quite effective, truck bombings can be quite effective. And eventually it led to America's pullout from Lebanon.
Unnamed Historian 1
Ambassadors Habib and Draper, who were presently.
Unnamed Historian 2
In Beirut, will continue to press in.
Unnamed Historian 1
Negotiations for the earliest possible total withdrawal.
Unnamed Historian 2
Of all external forces. Because, you know, Americans looking at the television set said, well, why are our sons and daughters dying in Beirut, Lebanon? What are we doing there? What are our interests? And so I think this is a tactic which Iran has used quite effectively, essentially testing the resolve of the United States and in some ways, conducting acts of radicalism and terror which will bring in the American public and the American public, you know, calling for either restraint or a pullout from the Middle East.
Unnamed Historian 1
My fellow citizens, at this hour, American and coalition forces are in the early stages of military operations to disarm Iraq, to free its people, and to defend the world from grave danger on my orders.
Unnamed Historian 2
When the Iraq war was launched in 2003, one of the Bush administration's underlying goals for the Iraq war was to create Shiite democracy in Baghdad, which could then spread to Tehran and undermine the legitimacy of the Iranian regime. And so for that reason, Iran had every incentive to try to sabotage America's efforts in Iraq if they believed that the Iraq war was intended to eventually overthrow the Iranian government. And so for that reason, from the beginning of the Iraq war, Iran was somewhat cautious the first year or so. But then you started to see Iran ramping up attacks on American troops using proxies, using their Shia militia proxies in Iraq. Iran has essentially tried to franchise the Hezbollah model. You know, I call it the McDonaldization of Hezbollah. Taking the Shia militia franchise in Lebanon and using it other contexts, whether that's to help fight for your ally Bashar Assad in Syria. Iraqi Shia militias to fight against ISIS and project Iranian power in Iraq. And now in Yemen.
Unnamed Historian 4
A second day of airstrikes inside Yemen by Saudi jets bombing Iranian backed Houthi Shia militias which have taken control of the country.
Unnamed Historian 2
And when we're talking about countries in the region which are experiencing either civil wars or power vacuums, Iran is able to fill those voids much more effectively with these Shia proxies on the ground.
Unnamed Historian 4
The top US Commander for the Middle east worries about what could be Tehran's bid for superpower status.
Unnamed Historian 2
So I think a major asymmetric advantage that Iran has over both the United States and US allies like Saudi Arabia, for example, is that almost all Shia radicals in the region, let's say from India to Lebanon, are willing to go out and kill, if not die for the Islamic Republic of Iran. Whereas almost all Sunni radicals in the Middle east are deathly opposed to the United States and they want to actually overthrow the government of Saudi Arabia. You know, groups like Al Qaeda and ISIS are Sunni radicals, which are not Saudi Arabia's proxy. They're actually Saudi Arabia's adversary. And so despite the fact that Shia are outnumbered by Sunni by four, five to one in the region, Iran has a monopoly over Shia radicalism. And increasingly, not only does Iran operate via proxy, but its proxies also have plausible deniability because they're not necessarily doing the fighting themselves. They're using IEDs, they're using drones, they're using mines. So it gives Iran two layers of deniability.
Rund Abdelfatah
Coming up, how one computer virus started a cyber arms race.
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Unnamed Historian 1
An Iranian facility has been targeted for cyber attack. The second time it's happened in less than a year. The worst cyber attack in history. The race between Iranian officials trying to build their nuclear program and outside forces trying to stop it is getting more intense. This new era of warfare has already begun.
Unnamed Historian 4
We have to go all the way back to around 1996. Mid-90s is when the US started to contemplate the development of offensive cyber capabilities. And right around that time, Iran obtained a batch of illicit uranium hexafluoride gas from China. And so that's sort of what we can sort of trace the beginnings of the Iranian illicit nuclear program. They, of course, had been watching Iraq prior to that and seeing that Iraq was looking at nuclear capabilities. And of course, Iran and Iraq were longtime enemies. And so Iran's view was, if Iraq is looking at obtaining nuclear weapons capability, then we should also be engaging in that as well. So around 2000, Iran broke ground on the facility at Natanz. U.S. intelligence wasn't, you know, 100% positive about what that facility was going to be, but they were watching it. So February 2003, the United Nations International Atomic Energy Agency, which is the agency that oversees the or monitors nuclear programs around the world, IAE inspectors make their first visit to Natanz.
Unnamed Historian 1
And now we return to Iran, where.
Unnamed Historian 4
Today UN inspectors visited a site, and they discovered that Iran is actually much farther along in the program than anyone suspected. They already had a pilot plant set up at Natanz. They had some centrifuges there that they were beginning to assemble. They had said that they hadn't enriched any batch of uranium hexafluoride gas yet, but that turned out to be incorrect. This first process of enriching that first batch was really the beginning step of having enough uranium hexafluoride gas to build a bomb. This is the initial step of getting them to that bomb. And there was a lot of panic at that point to halt the program until IAEA inspectors could obtain more information. So there was a lot of pressure put on Iran to stop everything.
Unnamed Historian 1
The Head of the United nations nuclear watchdog, the iaea, in talks with Iranian officials in Tehran.
Unnamed Historian 4
And the breakthrough, Iran, surprisingly, actually agreed throughout 2003, 2004, and then something changed. In 2005, Mahmoud Ahmadinejad was elected President of Iran. And shortly after that, Iran announced that it was done with the cessation agreement and it was no longer going to remain at this stasis position, and it was going to go forward with enriching its first batch of uranium hexafluoride gas. And so you can imagine the panic in Israel when that happens. Jump forward about six months on January, February 2006. Now Iran announces that they have enriched their first batch of uranium hexafluoride gas in that pilot plant and the Tanz. And then they announced that they had perfected the enrichment process and they were going to begin installing the first centrifuges in the actual enrichment plants. Israel, of course, was focused on trying to bomb the facility. They had come to the US for permission from President Bush to launch a strike against the Natanz facility. And the US denied that permission and instead had this alternative plan that they wanted to do so. Between February 2006 and February 2007, the US is developing and testing Stuxnet. Stuxnet was what we call a worm. Part of it was a virus, part of it was a worm. A worm is malware that will travel from machine to machine without any human interaction. So the initial release, of course, is done by a human. But once a worm finds a vulnerable system, it will infect that system, and then it will search automatically for any other system connected to that system on an internal network or over the Internet, and travel to that system and infect that as well. So you've got this Natanz facility that has critical computers that are air gapped from the Internet. And also the facility itself is physically pretty protected.
Rund Abdelfatah
They had three outer perimeter security walls.
Unnamed Historian 4
Anti aircraft guns, earthen berms entirely hide the facility from view around the facility. They had fences, they had guards, armed guards, all of that. So the only way that you could get Stuxnet into where you needed to go was to have someone walk it in, deliver it, either wittingly or unwittingly. And we know that the first version of Stuxnet could only be spread via USB sticks. It's quite possible that the first version of Stuxnet, because it didn't have a lot of spreading capabilities in it, was spread by an inside mole. They probably had close access Inside Natanz. So 2007, they unleashed that first version of Stuxnet, it was a partnership between the US And Israel. Their aim wasn't to. It wasn't catastrophic damage. They didn't want to destroy all of the centrifuges. They wanted to simply stop Iran from obtaining enough enriched uranium gas to have a bomb. Iran had a limited supply of uranium hexafluoride gas that it had purchased from China, and they had a limited supply of materials that they could use to manufacture new centrifuges. And so the goal was stuck to Stuxnet was to destroy some of the gas and some of the centrifuges in order to buy time for diplomacy and sanctions to catch up. When Stuxnet first gets on to that S7417 PLC, it doesn't cause its sabotage right away. It sits there for a period of time, recording the normal operation of those centrifuges and storing that information, and it just keeps storing and storing for days. And when the sabotage kicks in, it takes that information about the normal operations that it stored, and it now feeds that back to the monitoring stations. So while the valves are closed and the pressure is increasing inside the centrifuges, the engineers at the monitoring stations are seeing that everything is normal. All the valves are open, pressure is normal, heat is normal. Nothing is wrong. And so they wouldn't have seen the sabotage happening. What they would have seen, however, is they would have seen that they were losing gas. They would have seen, eventually, the end result is that the centrifuges start breaking down. But they wouldn't have known if the problem was the machinery itself. Maybe the centrifuges were faulty, the equipment was faulty. That would have been their first focus. And stuxnet did one other thing. In addition to feeding that false information to the monitoring stations, Stuxnet froze the safety mechanism on the system. So these automated safety mechanisms were designed to detect if the pressure inside the centrifuges increases, if the heat increases, if they start spinning out of control, and if it sees that a system is getting out of a safe condition, it's supposed to automatically shut down those centrifuges to prevent them from being destroyed or ruined. But Stuxnet stopped the safety mechanism from working. So Iran was confused. They didn't know what was happening.
Unnamed Historian 1
Thank you, Taffer. We have been through a lot together.
Unnamed Historian 4
This is a covert operation, and a covert operation has to be authorized by the sitting president, and the sitting president was leaving. We had an election in 2008, and we see in the code that Stuxnet is designed to halt during this temporary phase of when we. We are losing the sitting president. And in January 2009, Obama is coming into office, and he meets with President Bush. And during this period, Bush explains to him this covert operation, which we now know is called Olympic Games. And he explains what's happening and what it's designed to do and tells him that it's not. It hasn't achieved its full purpose yet, and encourages Obama to reauthorize the Olympic Games program. And Obama does. And we already see in January, the attackers are getting prepared to unleash the second version of their assault. And throughout 2009, it's causing its sabotage. And we actually see signs of the sabotage externally, but we don't know what it is. The International Atomic Energy Agency is sending inspectors to the Natanz facility, on average about twice a month. And they're sending back reports to their headquarters in Vienna. And those reports are saying that Iran is having problems with its centrifuges. Those inspectors start noticing not just that Iran is having problems, but they're actually removing centrifuges now. So it's not just that they've stopped spinning centrifuges and they've taken gas out of centrifuges. They're actually removing centrifuges from the Cascades. And they're sending this back in the report. And that's the first sign that Iran has given up. They don't know what's going on. They're checking the equipment, they're checking everything. And yet Stuxnet continues to operate, and it continues to engage in sabotage. And it's not until June 2010 Stuxnet is unleashed in another round in March and April 2010. And the March version is what got it caught. The March version had multiple spreading mechanisms attached to it, including that worm. And it spread wildly out of control. It started spreading to machines that weren't the targeted machines, spreading to any Windows machine that it can find, initially just in Iran. And it started causing problems on machines in Iran outside of Natanz. Some in Iran who had systems that kept crashing and rebooting and crashing and rebooting. And they couldn't figure out what was going on. So they contacted their maker of their antivirus software, a company in Belarus called Virus blockada. And Virus blockada obtained remote access to some of those systems in Iran that were having problems. And they discovered some suspicious codes that they believe was causing the machines to reboot, crash and reboot. And so they found this code, and they started taking it apart. They immediately discovered that it was malware and that it was designed to spread to any Windows machine. So they contacted Microsoft because it was using a vulnerability in the Windows software. They contacted Microsoft to have that vulnerability patched, and then they had other files that were dropped onto the machine when it was infected, but those files were encrypted, and they couldn't decrypt them. And they didn't have a lot of experience taking malware apart. So they made those files available to the rest of the security community. And that's when a company called Symantec stepped in and started reverse engineering that code. They were able to decrypt it, and they knew that it was designed. Designed for sabotage. Until then, everyone had assumed that this was spyware, that this was conducting espionage.
Unnamed Historian 1
Experts say stuxnet is an exceptionally sophisticated computer worm that attacks the software used to control automated systems.
Unnamed Historian 4
So if you can imagine, from November 2007 all the way to November 2010, Stuxnet continued to operate unimpeded. Mahmoud Ahmadinejad blamed the Israelis and the U.S. but Iran didn't do what we expected them to do. They didn't go to the United nations and complain, and they didn't retaliate, which they would have been in position to do legally. International law sort of limits what a nation can do when it's under digital attack like that. It says that you can take action to halt an attack that's current, but that any sort of retaliation that you do has to be proportional to the attack itself. And so Iran was pretty limited and also going to the United Nations. Iran is not very powerful in the United nations, so it knew that it wasn't going to get the support or backing that it needed to punish the US Or Israel.
Unnamed Historian 1
They've never seen anything like it. A massive onslaught of cyber attacks on America's biggest banks, slowing down their websites, even forcing some to shut down, temporarily costing them money.
Unnamed Historian 4
Stuxnet was proof of concept for any nation to see that digital capabilities like this are a viable alternative. And so what that has done is it's opened up this new kind of warfare where it's lowered the bar of the actors who can engage in it.
Unnamed Historian 1
Senator Joe Lieberman, then chairman of the Homeland Security Committee, said, I think this was done by Iran. It's likely retaliation for previous cyber attacks on Iran and for other things.
Unnamed Historian 4
When you drop a conventional weapon, your victim can't pick up those pieces of the weapon and reconstitute it and send it back at you. The difference with a digital weapon is when you're launching a digital weapon, it's fully contained and all the code is there. And then and so you're sending the blueprint for the weapon to your victim. And all the victim has to do is reverse engineer that weapon in the way that Symantec reverse engineered it and study it and design it in a way that they can send it back to you. And so what we did was we threw stones from a glass house. In the US We've always had this advantage of geography. We have this distance from our adversaries. But digital warfare erases that distance. Now the front line is on businesses and critical infrastructure here. It's brought the war home.
Rund Abdelfatah
That was Kim Zetter. She's a cybersecurity reporter and author of the book Countdown to Zero, stuxnet and the launch of the world's first digital weapon.
Unnamed Historian 2
That's it for this week's show. I'm Ramtin Adablouei.
Rund Abdelfatah
I'm Rund Abdelfatah and you've been listening to Throughline from npr.
Unnamed Historian 3
This show was produced by me and.
Unnamed Historian 4
Me and Jamie York, Jordana Hochman, Lane.
Unnamed Historian 2
Kaplan Levinson, n' Jeri Eaton.
Rund Abdelfatah
Original music was produced for this episode by Ramtin and his band Drop Electric.
Unnamed Historian 2
Thanks also to Ida Porasat and Anya.
Rund Abdelfatah
Grundmann and to Entezita, Sarah Wyman and Amber Chee. If you like something you heard or you have an idea, please write us@throughlinepr.org thanks for listening.
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Hosted by Rund Abdelfatah and Ramtin Arablouei | Released June 28, 2025
In the second installment of the "Iran and the U.S." series, NPR's Throughline delves deeper into the complex and often adversarial relationship between Iran and the United States. Building on the foundation laid in Part One, which examined the 1953 CIA-backed coup in Iran, this episode navigates through pivotal moments from the 1979 Islamic Revolution to the dawn of cyber warfare, uncovering how historical events have shaped contemporary geopolitical tensions.
Rund Abdelfatah opens the episode by contextualizing the seismic shift in Iran's political landscape in 1979. The secular Shah, installed by the U.S. after the 1953 coup, faced an overwhelming Islamic revolution led by Ayatollah Khomeini.
Key Events:
The episode transitions to the Iran-Iraq War (1980-1988), one of the bloodiest conflicts of the late 20th century, and examines its lasting repercussions on regional stability and U.S.-Iran relations.
Key Events:
Notable Quote: "What you see is this, this conflict zone in which everyone has their finger on the trigger... there's constant risk of miscalculation." – Historian 2 ([12:14]-[12:29])
A tragic miscalculation during the tanker wars led to the accidental downing of a civilian airliner, exacerbating hostilities.
Key Events:
Notable Quote: "The fog of war, coupled with both a miscalculation, itchy trigger fingers and inability to communicate... resulted in this terrible tragedy." – Historian 2 ([12:29]-[16:10])
The emergence of Hezbollah in the early 1980s signaled a new phase of proxy conflicts, with Iran leveraging militant groups to advance its strategic interests.
Key Events:
Notable Quote: "One of the lessons of this conflict... both sides were pretty good at keeping the level of conflict within a certain kind of relatively narrow band." – Historian 3 ([17:35]-[18:11])
Transitioning to the digital age, the episode explores the advent of cyber warfare through the lens of the Stuxnet virus, a groundbreaking cyberattack aimed at crippling Iran's nuclear program.
Key Events:
Notable Quotes:
The episode concludes by examining the ongoing shadow war, highlighting Iran's continued use of asymmetric strategies to counterbalance U.S. military superiority and projecting its influence across the Middle East.
Key Points:
Notable Quote: "What that has done is it's opened up this new kind of warfare where it's lowered the bar of the actors who can engage in it." – Kim Zetter ([47:47]-[48:03])
Through meticulous historical analysis, Throughline illustrates how a series of interconnected events have entrenched hostility between Iran and the United States. From coups and revolutions to proxy wars and cyberattacks, each chapter underscores the complexity and resilience of this fraught relationship. As the shadow war continues to evolve, understanding its origins is crucial for navigating the future dynamics of international relations.
This summary was crafted based on the transcript provided, highlighting the episode's critical discussions and insights into the enduring and evolving tensions between Iran and the United States.