US-Iran geopolitical tensions escalated significantly following a joint military operation by the United States and Israel on February 28, which resulted in the death of Iran’s Supreme Leader Ali Khamenei, according to reports compiled by detikcom. Months of subsequent negotiations have failed to yield a peace agreement, prompting renewed threats of military action from leaders of both nations as diplomatic channels remain deadlocked and regional maritime access through the Strait of Hormuz stays disrupted.
Trump Outlines Potential Military Actions Against Iran
United States President Donald Trump stated in an interview with Fox News broadcast on Sunday, September 20, that he is in a crucial decision-making mode regarding the ongoing conflict. According to Anadolu Agency reporting, Trump warned that major actions will occur if Tehran fails to alter its policies.
“The question is whether and when I will destroy the entire country? Best they behave nicely,” Trump said during the interview, outlining potential options ranging from neutralizing Iran and allowing its economy to decay to negotiating a formal settlement.
Did you know? The 81st United Nations General Assembly is scheduled from September 18 to 28, with the General Debate running from September 22 to 28 in New York, where diplomatic encounters between US and Iranian delegations remain a focal point of international observation.
The Trump administration permitted Iranian President Masoud Pezeshkian and his delegation to travel to New York for the high-level UN week starting Monday, September 21, albeit with strict movement restrictions and shopping bans during their stay.
Iran Vows Retaliation Against US Bases and Regional Interests
The Iranian Armed Forces issued a stark warning on Monday, September 21, stating that any new military operations launched by Washington will be met with continuous retaliatory strikes against US military bases and regional interests, as reported by Al Arabiya and Anadolu Agency.

The Khatam al-Anbiya Central Headquarters, the primary command center for Iran’s armed forces, released a statement via state television IRIB indicating that intelligence suggests the US has decided to resume combat operations with the backing of certain regional allies following a joint meeting held in Europe.
“We warn if countries in the region — by continuing to apply a two-faced policy toward the Islamic Republic of Iran — side with the aggression of the ‘Great Satan’ against a strong and sovereign Iran, then all of them will be considered complicit,” the Khatam al-Anbiya Central Headquarters stated.
IRGC Threatens New Weapons and Unprecedented Targets
The Islamic Revolutionary Guard Corps (IRGC) warned on Monday, September 21, that it plans to deploy novel weaponry and target previously unattacked locations if the United States initiates a fresh offensive against Tehran, according to AFP and Reuters.

IRGC spokesperson Hossein Mohebbi stated that despite nearly seven months of conflict without a return to full-scale war, Iranian forces are prepared for a prolonged engagement involving significant shifts in defensive and offensive tactics.
“If there is new aggression, we will certainly change our weaponry and the scope of the war,” Mohebbi said, adding that the military will introduce new weapon systems with advanced capabilities that will surprise international observers.
Frequently Asked Questions
What triggered the current escalation between the US and Iran?
The conflict intensified sharply after a joint US-Israeli military strike on Iran on February 28 resulted in the death of Supreme Leader Ali Khamenei, triggering mutual attacks and regional disruptions.
Are diplomatic efforts still active between Washington and Tehran?
Months of negotiations have failed to produce a peace deal, and while leaders have exchanged severe warnings, the upcoming UN General Assembly meetings offer potential avenues for diplomatic contact.
What has the IRGC threatened in response to potential US attacks?
According to IRGC spokesperson Hossein Mohebbi, Iran intends to utilize new weaponry and target locations that have not been previously struck if military hostilities resume.
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