The U.S. military is deploying thousands of Marines to the Middle East, officials told Reuters on Friday, as President Donald Trump accused NATO allies of cowardice over their reluctance to send forces to help open the Strait of Hormuz.

The narrow waterway, the conduit for around a fifth of global oil and liquefied natural gas supplies, has been effectively closed to most shipping since the United States and Israel launched the war against Iran almost three weeks ago.

With a major share of global oil and natural gas supply choked off and vital energy infrastructure in both Iran and the neighboring Gulf states coming under attack, oil prices have jumped about 50% since the start of the war, threatening a global economic shock.

Already, more than 2,000 people have been killed, most in Iran and Lebanon, while Americans, facing sharply higher prices and wary of military entanglement, have appeared increasingly concerned at signs it could expand further.

According to a Reuters/Ipsos poll this week, almost two thirds of Americans believe Trump will order troops into a large-scale ground war, with only 7% supporting such a move.

On Friday, Israel said two large waves of airstrikes hit weapons production sites and ballistic missile launchers storage facilities in Tehran. Israel faced at least seven waves of missile attacks from Iran, according to Israeli military alerts, as sirens and booms from interceptions were heard in Tel Aviv and Jerusalem throughout the day.

Kuwait’s state oil firm said its Mina Al-Ahmadi refinery had suffered multiple drone attacks that set some units alight, the latest in a series of energy facilities to be hit by Iran in recent days.

Troops Deploy

With no clear end in sight, three U.S. officials told Reuters the USS Boxer, an amphibious assault ship, along with its Marine Expeditionary Unit of about 2,500 Marines and accompanying warships would deploy to the region, though they did not say what their role would be.

Two officials said no decision had been taken on whether to send troops into Iran itself but this week, a U.S. official and three people familiar with the matter told Reuters that U.S. troops could potentially land on Iran’s shore or its Kharg Island oil export hub.

Trump has said the campaign has been going according to plan but he has vented his fury at U.S. allies for declining to help open the strait while fighting continued, albeit in a conflict they were neither consulted on nor advised of.

Germany, Britain, France, Italy, the Netherlands and Canada, as well as NATO non-member Japan, pledged in a joint statement on Thursday to join “appropriate efforts to ensure safe passage through the Strait”.

Britain authorized the U.S. to use military bases in Britain to hit Iranian missile sites threatening shipping. But German Chancellor Friedrich Merz, who said he would speak to Trump this weekend and French President Emmanuel Macron have both said any active intervention would require an end to the fighting.

On his social media platform, Trump said countries complaining about high oil prices were refusing to help open the Strait of Hormuz, “a simple military maneuver that is the single reason for the high oil prices”.

“So easy for them to do, with so little risk. COWARDS, and we will REMEMBER!” he wrote.

Middle East Marks End of Ramadan and Persian New Year

As Muslims around the region tried to celebrate Eid al-Fitr, which ends the fasting month of Ramadan, and Iranians marked Nowruz, the Persian New Year, Mojtaba Khamenei, Iran’s new supreme leader issued a message of defiance.

Khamenei, who has not been seen in public since the Israeli attack that killed his father and predecessor Ayatollah Ali Khamenei on the war’s first day, said Iranians had responded with unity and resistance and had “dealt a disorienting blow to the enemy”.

“The enemy believed that by targeting the leader and influential figures, it could instill fear and force the people to withdraw,” he said in a Nowruz message on his Telegram channel.

U.S. and Israeli officials say the weeks of bombing have severely weakened the Tehran government and depleted its stock of missiles and drones but Iran has continued to demonstrate an ability to hit back.

Iran’s Revolutionary Guards said they had attacked Haifa and Tel Aviv with multi-warhead missiles and used drones to attack stocks of drones and cruise missiles in U.S. bases, including Sheikh Isa air base in Bahrain. No comment was immediately available from U.S. forces.

Israel, which has systematically targeted the Iranian leadership, said this week it had killed Mahdi Rostami Shamastan, a key commander in Iran’s intelligence ministry. The semi-official Iranian news agency Tasnim said intelligence minister Esmail Ahmadi had also been killed, the latest of dozens of leading government, military and scientific figures assassinated by Israel.

“We have nobody to talk to,” Trump said. “And you know what? We like it that way.”

Fuel Prices Climb Ahead of US Election

However soaring U.S. diesel and gasoline prices may hurt Trump’s core political support as his Republicans prepare to defend slim majorities in midterm congressional elections.

On Friday, the benchmark price of Brent crude oil was up slightly, near $110, after surging the day before on growing fears that the largest ever disruption to world energy supplies would trigger a global economic shock. [O/R]

Flows of crude and petroleum have dropped by about 12 million barrels per day – roughly 12% of global demand – due to output cuts and export halts by Gulf producers.

Those barrels cannot easily be replaced by the transport, shipping and manufacturing industries that rely on them, and will make themselves felt for months or even years.

International Energy Agency chief Fatih Birol told the Financial Times restoring oil and gas flows might take six months.

Even if the conflict does stop soon, the scale of the damage already inflicted by Iranian attacks on vital Qatari gas facilities following an Israeli strike against Iran’s South Pars gasfield, is expected to take years to untangle.

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(Reporting by Andrew Mills in Doha and Timour Azhari in Riyadh; Additional reporting by Reuters bureaus; Writing by Kevin Liffey and James Mackenzie; Editing by Ros Russell, Alex Richardson and Diane Craft)