US-Iran War Deal Nears Formal Signing Amid Persistent Unresolved Questions

A preliminary deal to end more than 100 days of direct U.S.-Iran military conflict is moving toward a formal signing in Geneva on June 19, according to AP News. President Donald Trump and Iranian Parliamentary Speaker Mohammad Bagher Ghalibaf signed a memorandum of understanding electronically on June 14, extending a shaky ceasefire for 60 days and reopening the Strait of Hormuz.
The agreement leaves Iran's nuclear program unresolved, deferring its fate to future talks. Markets rallied on the news — oil futures dropped 4% — but analysts warn the hardest questions are still ahead, according to TIME.
The conflict started on February 28, 2026, when the U.S. and Israel launched "Operation Epic Fury" — a massive wave of airstrikes targeting Iranian nuclear sites and military leadership. Within days, Supreme Leader Ayatollah Ali Khamenei was killed, according to AP News. Iran struck back by blocking the Strait of Hormuz, cutting off roughly 20 million barrels of oil per day from global markets.
A fragile ceasefire took hold on April 8, brokered by Pakistan and Qatar. By June 14, both sides signed the preliminary MoU. Pakistani Prime Minister Shehbaz Sharif will host the formal ceremony in Geneva, with U.S. Vice President JD Vance expected to sign for Washington, according to TIME.
Trump called the deal "a gift to the world" and posted on social media that he was authorizing the "toll-free opening of the Strait of Hormuz," according to AP News. Israeli Prime Minister Benjamin Netanyahu took a sharply different tone. He said the deal was "Trump's decision" and vowed: "With an agreement, without an agreement, I will continue fighting to prevent Iran from obtaining nuclear weapons."
Inside Israel, the backlash was fierce. Finance Minister Bezalel Smotrich called the deal "bad for Israel and the entire free world," according to The Guardian. The Israeli Defense Ministry said it would stay in Lebanon and Gaza "indefinitely," raising the risk the ceasefire could collapse.
The conflict killed over 6,000 Iranian Revolutionary Guard members and wounded 15,000 more. Lebanon saw 3,798 deaths. At least 16 Israeli soldiers died, according to AP News. The Pentagon estimated the first week of fighting alone cost $11.3 billion — roughly $1.88 billion per day — with total war costs running between $25 billion and $50 billion, according to CBS News.
The global economic damage was severe. The 2026 Global Peace Index estimates the conflict caused a $2.2 trillion hit to the world economy. Brent crude surged to $110 per barrel at the peak of the Hormuz blockade before falling below $84 on news of the deal, according to The Guardian.
The MoU does not resolve what happens to Iran's nuclear program — the core issue that started the war. Analysts at CSIS warned that deferring Iran's nuclear inventory to later talks could reignite the conflict within months. The 60-day window for further negotiations is narrow, and both sides hold very different end goals.
Trump's approval rating hit a second-term low of 37% because of the economic pain the war caused at home, according to a NYT/Siena College poll. French President Emmanuel Macron expressed cautious optimism but said a durable peace "remains distant," according to AP News. The Geneva signing on June 19 will be a milestone — but experts say it is far from the finish line.
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