The United States military engaged Iranian forces on Monday as part of efforts to reopen the Strait of Hormuz, a critical maritime passage for global energy supplies. U.S. Central Command reported firing on and sinking six Iranian small boats that had targeted civilian vessels near the strait, which runs between Iran and Oman. The actions coincided with the transit of two American-flagged merchant ships through the waterway under U.S. protection, marking a significant step in a campaign codenamed "Project Freedom" aimed at breaking Iran’s effective blockade of the strait.

The United Arab Emirates (UAE), a close U.S. ally, reported coming under a series of attacks by Iranian forces for the first time since a fragile ceasefire took effect in early April. The UAE Defense Ministry stated its air defenses intercepted 15 missiles and four drones launched from Iran. One drone caused a fire at an oil facility in Fujairah, a major export hub on the Gulf of Oman, injuring three Indian nationals. Authorities also reported damage to a tanker linked to the Abu Dhabi National Oil Company in the strait. Additionally, a commercial vessel was reported ablaze off the UAE coast, with a South Korean-operated bulk carrier also experiencing an explosion and fire in its engine room.

The UAE condemned what it described as “renewed treacherous Iranian aggression” and issued multiple missile alerts for residents, prompting disruption to commercial air traffic bound for the region. Meanwhile, in Oman’s coastal province of Bukha, two foreign workers were wounded in an attack on a residential area near the strait; details on the perpetrators remain unclear.

Iranian officials characterized the U.S. initiative as a violation of the ceasefire. Maj. Gen. Ali Abdollahi of Iran’s military warned that any foreign military force, particularly the U.S., attempting to enter the strait without Tehran’s approval would be attacked. Iranian state media disputed U.S. claims of sunk boats and the successful passage of commercial vessels, labeling such reports as false. The Islamic Revolutionary Guard Corps (IRGC) reiterated its insistence on controlling passage through the strait, viewing the U.S. operation as an act of aggression.

The U.S. naval operation involves approximately 15,000 personnel and 100 aircraft working to ensure the safe passage of ships through the 21-mile-wide channel, through which about a fifth of the world’s energy supply flows. U.S. Central Command stated that their forces intercepted missiles, drones, and attacked small boats threatening civilian shipping. President Donald Trump warned that any Iranian attempt to disrupt these efforts would be met with overwhelming force.

The recent escalation has raised concerns about a potential resumption of hostilities after weeks of a fragile ceasefire that followed an earlier round of fighting beginning in late February. The strait's effective closure by Iran had already sparked global economic uncertainty, contributing to rising oil prices, which surged above $114 per barrel amid fears of renewed conflict.

Separately, the U.S. has maintained a naval blockade of Iranian ports since mid-April, aiming to pressure Tehran into making concessions on disputed nuclear and security issues. Iran, for its part, has proposed ending hostilities contingent on the lifting of sanctions, the withdrawal of U.S. forces, and cessation of all regional military operations, including those involving Israel. Iranian officials have acknowledged that changing U.S. demands complicate diplomatic prospects, with their proposal notably excluding nuclear program negotiations.

As tensions continue, the viability of the ceasefire remains uncertain, with both sides signaling readiness for potential escalation while diplomatic channels remain strained. Shipping companies and insurers face difficult decisions amid ongoing threats to maritime security in the strategically vital Strait of Hormuz.