U.S. and Iran escalate strikes on infrastructure as conflict spreads to Gulf states

The United States and Iran have intensified military operations across the Middle East, escalating from exchanges of strikes on July 12–13 into a sustained campaign targeting each other's infrastructure. On July 12, the U.S. Central Command announced new strikes on Iranian military targets; Iran responded by attacking American military bases in Qatar, Oman, Jordan, Kuwait, and other Gulf locations. By mid-week, both sides expanded their targeting to civilian infrastructure including bridges, power plants, water desalination facilities, and telecommunications networks.

The conflict centers on control of the Strait of Hormuz, through which roughly one-third of global seaborne oil passes. Iran has sought to restrict transit and collect fees; the U.S. initially threatened a 20% tariff on goods passing through the strait before reversing course within 24 hours following pressure from Gulf allies. The competing claims to control the waterway reflect deepening tensions over a ceasefire memorandum of understanding (MOU) signed in June, which obligated Iran to ensure commercial shipping safety for 60 days. Disputes over interpretation of that agreement—particularly Article Five—triggered the resumption of hostilities.

Military operations have evolved in character. The U.S. has focused strikes on Iran's southern coastal provinces, targeting ports, bridges, and communication infrastructure to isolate Abbas Port and sever supply lines to Iranian naval forces. American forces used drone swarms and unmanned surface vessels modeled on Ukrainian tactics, a shift toward lower-cost weapons systems. Iran responded with ballistic missiles and "Shahed" series unmanned aircraft targeting American military bases in the region; analysts report improved accuracy and effectiveness, likely reflecting Iranian familiarity with U.S. base locations from earlier March–April exchanges.

Civilian costs have mounted. Three villagers died when the Khormuj bridge in Iran's Hormuzgan Province was destroyed; Iran reported 10 deaths from July 15–16 strikes. Kuwait's power and desalination plants suffered damage from Iranian attacks, forcing emergency measures in a country where 90% of drinking water depends on desalination. In Iran, 20 villages lost access to drinking water following U.S. strikes on a desalination facility. As of July 18, the U.S. confirmed 16 military deaths, including two soldiers and one missing person from an Iranian attack on a Jordanian air base.

Oil markets have responded sharply. Brent crude surged 9.6% on July 14—the largest single-day gain in six years—and has climbed an additional 8% over five trading days. Shipping through the Strait of Hormuz has plummeted to single-digit daily transits, down from 130 vessels daily before the ceasefire and 30 during the brief July peace. Global oil reserves are at critically low levels, with U.S. strategic reserves at near 50-year lows following depletion during earlier 2026 conflicts.

Analysts differ on Iran's strategy. Some note that Iran has deliberately avoided striking U.S. naval assets or Israel, instead targeting Gulf states to pressure Washington without triggering overwhelming U.S. retaliation. Iranian officials cite international law, arguing that U.S. operations launched from Gulf territories justify attacks on those nations. Gulf analysts counter that strikes originate from U.S. aircraft carriers positioned less than 150 kilometers offshore and reject Iranian claims that their territories host American offensive operations. The ceasefire MOU's vague language and lack of enforcement mechanisms have proven inadequate; both sides interpret it differently and show no clear conditions for renewed suspension of hostilities.