U.S.-Iran peace deal under strain as military strikes resume and investigation reveals extensive base damage

A fragile U.S.-Iran peace deal signed on June 17, 2026, is under severe strain following a rapid escalation of military strikes. After the cargo ship M/V Ever Lovely was struck in the Strait of Hormuz on June 25, President Donald Trump ordered retaliatory airstrikes on Iranian military targets. Iran responded by launching missiles and drones at U.S. bases in Bahrain and Kuwait. Meanwhile, an investigation revealed that prior Iranian attacks had already extensively damaged Naval Support Activity Bahrain, forcing the U.S. to re-evaluate its Middle East footprint.

Ceasefire violations escalation

• ▪The United States and Iran carried out retaliatory military strikes against each other over the weekend of June 27-28, 2026, severely testing their fragile ceasefire agreement
• ▪The United States accused Iran of violating the ceasefire agreement by attacking commercial shipping, while Iran argued successive American strikes breached the agreement

Strait of Hormuz shipping

• ▪Following the June 25, 2026 attack, the International Maritime Organization suspended its vessel movement process through the Strait of Hormuz, and the UKMTO raised the threat level to substantial
• ▪The Singapore-flagged cargo ship M/V Ever Lovely was struck by a projectile on June 25, 2026, while transiting the Strait of Hormuz near Oman, causing minor bridge damage but no crew injuries
• ▪The United States and its Gulf allies backed a U.N.-supported shipping corridor near Oman's coastline, while Iran objected to vessels using the route without its approval

Iranian strikes on bases

• ▪Iran launched ballistic missiles and drones targeting eight infrastructure targets at U.S. military bases in Kuwait and Bahrain on June 27, 2026
• ▪A Wall Street Journal investigation revealed that Iranian missile and drone attacks between late February and June 2026 caused extensive damage to Naval Support Activity Bahrain and at least 20 U.S. sites

Memorandum of understanding terms

• ▪President Donald Trump and Iranian President Masoud Pezeshkian signed a 14-point memorandum of understanding on June 17, 2026, establishing a 60-day negotiating period
• ▪The June 17, 2026 memorandum of understanding committed both nations to halt military operations, reopen the Strait of Hormuz, and begin lifting the U.S. naval blockade

Regional diplomatic tensions

• ▪Iran accused the United States of violating Article 1 of the memorandum of understanding, which calls for the permanent termination of military operations on all fronts, including Lebanon
• ▪Bahrain condemned the June 27, 2026 Iranian drone attack on its territory, calling it a flagrant violation of its sovereignty and a threat to its citizens

U.S. retaliatory military strikes

• ▪The U.S. military targeted Iranian military infrastructure, including drone facilities, surveillance systems, and air defenses, in response to attacks on commercial shipping
• ▪President Donald Trump directed U.S. Central Command to launch retaliatory airstrikes on Iranian missile, drone, and radar sites on June 26 and June 27, 2026