American warplanes struck Iranian military installations for a second consecutive day Wednesday after President Trump declared the fragile ceasefire with Tehran "over," dramatically escalating tensions that had briefly subsided following a memorandum of understanding signed just three weeks ago.

"We may just finish the job," Trump told reporters at the NATO summit in Ankara, Turkey, renewing threats to target Iranian infrastructure including desalination plants, electrical facilities, and potentially Kharg Island—Iran's primary oil export terminal that handles roughly 90 percent of the country's crude shipments.

Ceasefire Unravels Amid Mutual Accusations

The June agreement between Washington and Tehran had temporarily halted hostilities, lifted the American naval blockade of Iran, and reopened the strategically vital Strait of Hormuz to commercial shipping. Both nations traded accusations this week about violations of the understanding, with each side claiming the other fired first.

Iran's Mehr news agency reported that attacks on Bushehr province in southern Iran did not damage the Bushehr nuclear power plant, though the strikes targeted Islamic Revolutionary Guard Corps installations in the area. Tehran has vowed retaliation, raising concerns about an escalating cycle of military action.

The ceasefire's collapse stems partly from structural weaknesses in the original agreement. The deal remained silent on Iran's missile arsenal—the central concern for Israel—and depended on a separate ceasefire in Lebanon between Israel and Hezbollah, neither of which were signatories to the U.S.-Iran understanding.

Republicans Face Political Crosscurrents

Trump's renewed military action puts congressional Republicans in an uncomfortable position heading into the midterm elections. Party members must choose between supporting their president's aggressive posture or expressing reservations about a conflict that could spike oil prices and dominate the final months of the campaign cycle.

Oil markets have already responded to the renewed fighting, with traders fearing disruption to Gulf shipping lanes that carry roughly one-fifth of global petroleum supplies. Gas prices, which had stabilized following the June ceasefire, face renewed upward pressure as uncertainty grips energy markets.

Some Republicans have quietly voiced concerns that an extended military engagement could undermine the party's economic messaging, particularly arguments about energy costs and inflation that have resonated with voters throughout 2026.

NATO Summit Backdrop

The president's comments came from Ankara during a NATO summit where alliance members discussed burden-sharing and collective defense commitments. Trump also met with Syrian President Ahmed al-Sharaa and discussed restoring Turkey's access to F-35 fighter jets—a relationship that had deteriorated over Ankara's purchase of Russian air defense systems.

NATO Secretary General Mark Rutte characterized the gathering as demonstrating a stronger, more unified alliance, though the Iran situation cast a shadow over proceedings focused primarily on European security concerns and the ongoing conflict in Ukraine.

The administration has signaled that any resolution to the Iran situation would happen "very fast," though analysts remain uncertain whether Trump is telegraphing imminent diplomatic outreach or preparing public opinion for expanded military operations. Iranian officials have given no indication they are prepared to return to negotiations under current conditions.