Claudia PassarellJun 23, 2025 5 min read

US Strikes Iran, Major Cities Brace for Blowback: When, Where, and How Will Tehran Retaliate?

President Donald Trump speaks from the East Room of the White House in Washington, Saturday, June 21, 2025, after the U.S. military struck three Iranian nuclear and military sites, directly joining Israel's effort to decapitate the country's nuclear program, as Vice President JD Vance, Secretary of State Marco Rubio and Defense Secretary Pete Hegseth listen. (Carlos Barria/Pool via AP)
Associated Press

Tensions in the Middle East have surged past the boiling point. After a wave of US and Israeli airstrikes hit key Iranian military and nuclear sites, the region is volatile.

But the fallout is not isolated overseas.

Within hours of the strikes, major American cities were placed on high alert. From New York to Los Angeles, law enforcement ramped up security as federal officials warned of possible retaliation. At this point, the question isn't if Iran will respond. It's when, where, and how hard.

US Airstrikes Rattle Global Stability

The US joined Israel in launching precision strikes against Iranian nuclear and military targets on June 21. U.S. bombers and naval forces hit Iran's three most critical nuclear sites: Natanz, Fordow, and Isfahan. Facilities that are central to Iran's uranium enrichment program. According to President Trump, the strikes aimed to "neutralize Iran's nuclear threat and restore regional deterrence."

Though Trump claimed these sites were "completely and totally obliterated," military assessments later confirmed that while the facilities suffered severe damage, they were not wholly destroyed. The Fordow facility, built deep underground, was hit by U.S. bunker-buster bombs, rendering it inoperable but not flattened. Natanz was heavily damaged particularly its above-ground centrifuge halls.

In tandem, Israeli airstrikes targeted missile launchers and IRGC-linked military infrastructure across Iran. Specific strikes near Tehran remain unconfirmed, but analysts agree the campaign has significantly degraded Iran's strategic capabilities.

High Alert at Home

Back in the US, the Department of Homeland Security issued a national bulletin warning of a "heightened threat environment." While no specific domestic threats have been identified, the concern is asymmetric retaliation: cyberattacks on infrastructure, digital sabotage, or violence from inspired extremists.

Major cities like New York, Los Angeles, and Washington, D.C. boosted security around transit systems, places of worship, embassies, and power facilities. Federal agencies and local law enforcement are bracing for anything unconventional.

Tehran Vows Revenge: "We Will Respond"

Foreign Minister Abbas Araghchi called the attack a "grave violation of international law," promising "lasting consequences." A senior adviser to Supreme Leader Ayatollah Ali Khamenei stated, "It is now our turn to act." Khamenei himself has not made a public statement and reportedly went into hiding during the strikes.

Iran's retaliation is unlikely to be immediate or obvious. Experts believe it will unfold in phases designed to inflict harm, confuse, and avoid triggering a full-scale war. So far, Iran has fired ballistic missiles into Israel, striking civilian areas in Tel Aviv and injuring dozens. But US forces have not yet been targeted.

Iranian President Masoud Pezeshkian, center, attends a protest following the U.S. attacks on nuclear sites in Iran, in Tehran, Iran, Sunday, June 22, 2025. (AP Photo/Vahid Salemi)
Associated Press

Four Ways Iran Might Hit Back And Why It Matters

So how will Iran strike back? Analysts say we should be looking in four key directions, and none of them are pretty.

1. U.S. Military Bases in the Gulf

American forces stationed in Qatar, Bahrain, Kuwait, and the UAE are within easy range of Iranian missiles and drones. Tehran has explicitly threatened to strike these locations, particularly the U.S. Navy base in Bahrain.

2. Israel

Israel is already feeling the heat. Iran's initial response targeted Israeli civilians and military installations, and more may be coming, either directly or through Hezbollah and other regional allies.

3. The Strait of Hormuz

Iran's parliament just voted to approve closing this critical oil artery through which a fifth of the world's oil flows. The move isn't final, but the threat has markets rattled.

4. Cyber Warfare

Pro-Iran "hacktivists" have already launched low-level cyberattacks on US systems. Homeland Security warns that more sophisticated cyber operations are likely, possibly targeting power grids, banking systems, and transport infrastructure.

Proxy Warfare: Iran's Global Network

For years, Iran has cultivated loyal proxy forces across the region.

The Houthis in Yemen have threatened to attack US vessels in the Red Sea. Iraqi militias have hinted at targeting American bases. But the most surprising move so far? Hezbollah, one of Iran's most powerful proxies, has signaled it won't engage, at least not yet. Spokespeople said Iran is "capable of defending itself" and that Hezbollah will observe its current ceasefire with Israel unless provoked.

In short, the fuse is lit, but not all of Iran's allies are ready to join the fire just yet.

Global Markets React... And Panic

The mere possibility of the Strait of Hormuz closing has analysts warning of triple-digit oil prices if conflict drags out. Airlines have rerouted flights to avoid the Gulf and Israeli airspace. And the U.N. Security Council held an emergency session, with member states calling for immediate de-escalation.

Gold is expected to surge as investors seek safe ground, and the International Atomic Energy Agency (IAEA) confirmed damage to Iran's nuclear sites, but no radiation leaks so far.

What Now?

President Trump called the strikes a "measured response," claiming the U.S. is not seeking war but peace. Still, Tehran's leadership says peace is off the table for now.

History suggests that Iran's retaliation won't be swift and dramatic. It will be layered, disruptive, and strategic, targeting what matters most to the U.S. and its allies without inviting an overwhelming military response.

For now, the world waits. Because when Iran hits back, and it will, it's not just the Middle East that will feel it.

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