US and Iran Reach Preliminary Peace Agreement to End War and Reopen Strait of Hormuz

After 109 days of a devastating conflict that rattled the Middle East and choked global energy markets, the United States and Iran have reached a preliminary peace agreement. The memorandum of understanding, signed electronically over the weekend by U.S. President Donald Trump and Iranian Parliament Speaker Mohammad Bagher Ghalibaf, establishes an immediate ceasefire across all fronts. A formal, in-person signing ceremony is scheduled for Friday, June 19, at the mountainside Bürgenstock resort in Switzerland. The breakthrough follows intensive mediation by Pakistan, Qatar, and Oman, offering the first concrete off-ramp from a war that began in late February with U.S. and Israeli strikes on Iranian territory.[3][5][7]

The immediate focus of the pact is the restoration of global maritime trade. The agreement mandates the lifting of the U.S. naval blockade on Iranian ports and the reopening of the Strait of Hormuz, a critical maritime chokepoint through which roughly 20 percent of the world's oil and liquefied natural gas flows. The militarization and effective closure of the strait had sent shockwaves through the global economy, prompting the International Energy Agency to declare its unconditional reopening as the single most important step to resolving the ongoing energy crisis. Following the announcement of the memorandum, global oil prices tumbled nearly five percent to their lowest close since early March.[2][4][7]

While the memorandum halts the immediate violence, it leaves the most intractable disputes for a 60-day negotiation window that will commence after Friday's signing. During this period, American and Iranian diplomats are tasked with forging a comprehensive treaty addressing Iran's nuclear program, the disposition of its highly enriched uranium stockpiles, and the potential lifting of crippling U.S. sanctions. The deliberate sequencing—securing a ceasefire and maritime access first, while deferring the core geopolitical grievances—highlights the fragility of the truce. Both Washington and Tehran are already presenting starkly different interpretations of what the preliminary text actually concedes.[2][6][8]

President Trump has aggressively framed the memorandum as a definitive victory that achieves his administration's primary war aims. Speaking to reporters on the sidelines of the G7 summit in France, Trump asserted that the agreement explicitly guarantees Iran will never acquire a nuclear weapon. He also declared that the Strait of Hormuz would be permanently reopened on a "toll-free" basis, authorizing the immediate removal of the U.S. naval blockade so that international shipping could resume. Furthermore, Trump suggested that the U.S. military would eventually enter Iran to extract and destroy "nuclear dust" and highly enriched uranium buried in subterranean facilities.[1][3][9]

Iranian officials have swiftly countered the American narrative, emphasizing that the Islamic Republic has made no permanent concessions regarding its nuclear infrastructure. Iranian Foreign Minister Abbas Araghchi and Foreign Ministry spokesman Esmail Baghaei both clarified that the current focus is strictly on ending the military conflict. They maintained that Iran's right to enrich uranium, the fate of its existing stockpiles, and the mechanics of sanctions relief will only be addressed during the upcoming technical talks. Iranian state media has also projected confidence, with Araghchi stating on state television that Iran emerged from the conflict as the "winner" by forcing the removal of the U.S. blockade.[4][6][9]

The financial dimensions of the truce are equally contested. Iranian state-linked outlets reported that the draft agreement includes the immediate suspension of U.S. sanctions on Iranian oil exports and the phased release of up to $25 billion in frozen Iranian assets during the 60-day negotiation period. However, U.S. Vice President JD Vance categorically denied these claims, stating that not a single dollar of sanctions relief or unfrozen assets has been authorized. American officials insist that any economic benefits, including a rumored international reconstruction fund, will be strictly tied to Iran's verifiable compliance with future nuclear limitations.[5][6][8]

Control over the Strait of Hormuz remains a volatile flashpoint despite the ceasefire. While the Trump administration insists the waterway will remain permanently toll-free, media affiliated with Iran's Islamic Revolutionary Guard Corps reported that Tehran is only pausing its transit fees for the 60-day negotiation window. According to these outlets, Iran fully intends to resume charging service fees to commercial vessels once the period expires, asserting its sovereign right to jointly manage the strait with Oman. Shipping industry executives have warned that commercial lines will remain hesitant to transit the corridor until the security situation on the water matches the diplomatic rhetoric.[2][6]

The physical implementation of the ceasefire presents immediate logistical challenges. The U.S. Navy, which has maintained a strict blockade on Iranian ports since the war's onset, must now coordinate a complex de-escalation with Iranian maritime forces that have heavily mined the regional waters. President Trump noted that Iranian forces are already hunting for a couple of mines to clear shipping lanes, but defense analysts warn that fully securing the Persian Gulf for commercial mega-tankers will take weeks. The memorandum reportedly contemplates a gradual reduction of U.S. military forces in the region, contingent upon the successful completion of the final treaty.[3][9]

The agreement's attempt to impose a regional ceasefire has also collided with the ongoing conflict between Israel and the Iran-backed militant group Hezbollah. The U.S.-Iran memorandum reportedly includes provisions for the termination of military operations in Lebanon, where Israeli forces launched a ground invasion in March following Hezbollah rocket attacks. However, Israeli Prime Minister Benjamin Netanyahu has publicly distanced his government from the pact. Netanyahu stated that Israel is not bound by the Lebanon-related clauses negotiated by Washington and Tehran, vowing that the Israel Defense Forces will remain in their Lebanese security buffer zone for as long as necessary to degrade Hezbollah's capabilities.[1][6][9]

The exclusion of Israel from the core U.S.-Iran negotiations has reportedly generated significant friction between Washington and Jerusalem. Trump has publicly urged all sides to stand down, criticizing recent Israeli airstrikes on Beirut suburbs as actions that should not have happened while the peace deal was being finalized. Iran, meanwhile, has warned that continued Israeli military operations in Lebanon could threaten the entire agreement. Hezbollah has signaled a willingness to adhere to the ceasefire outlined in the memorandum, but only if it serves as a precursor to a full Israeli withdrawal from Lebanese territory.[1][3]

International reaction to the memorandum has been overwhelmingly characterized by cautious relief. United Nations Secretary-General António Guterres welcomed the pact as a critical step toward ending a conflict that has had a devastating impact on the global economy. Guterres praised the diplomatic heavy lifting by regional mediators, particularly Pakistan and Qatar, whose envoys shuttled between Washington and Tehran to finalize the text. Yet, the UN chief also urged maximum restraint, noting that intermittent fire had continued even as the electronic signatures were being applied to the document.[7]

As the Friday signing ceremony in Switzerland approaches, domestic political pressure is mounting in the United States. Lawmakers from both parties are demanding to see the full text of the memorandum, which the administration has kept tightly guarded. Democrats have expressed skepticism about the enforceability of the deal, while some Republicans are demanding that the agreement be formally submitted to Congress for review. Trump has indicated he is open to congressional scrutiny, though the administration's immediate priority is ensuring the 60-day negotiation window opens without a resumption of hostilities in the Persian Gulf.[3][8][9]