The Strait of Hormuz is 21 miles wide. The shipping lanes through it are far narrower: two one-mile channels separated by a two-mile buffer zone. Every vessel passing through sails within range of Iranian coastal anti-ship missiles, shore-based artillery, and fast attack craft operating from harbors on the northern shore. It is the most dangerous bottleneck in global commerce, and on Friday, 22 nations pledged to help keep it open.

The joint statement condemned Iran's attacks on commercial shipping and committed signatories to contributing naval and logistical assets. The list includes the United Kingdom, France, Germany, Italy, the Netherlands, Japan, Canada, South Korea, Australia, Bahrain, and the UAE. The United States welcomed the statement but is not a signatory. Washington does not pledge to assist in operations it is already leading.

The diplomacy is significant. So is the gap between what was pledged and what the strait actually demands.

Who Showed Up, Who Did Not

Bahrain and the UAE signed. Both host U.S. military facilities. Both have been directly hit by Iranian attacks. Their presence signals that Gulf Arab states are publicly choosing the Western military response over hedging. This was not guaranteed. Both countries had spent years building diplomatic channels to Tehran, channels the current war has wrecked.

Japan and South Korea committed naval assets. For Japan especially, this is a significant step. Constitutional constraints on military operations abroad remain politically sensitive despite recent reforms. But both countries import the overwhelming majority of their energy through the strait, and the calculation is simple: if the oil stops, the economy stops.

The notable absences: China and India. Both are major Gulf oil importers. Both are conspicuously unwilling to criticize Iran publicly. China has abstained from every Security Council vote on the conflict. India, which was quietly buying discounted Iranian crude before the shooting started, has maintained what it calls a "balanced position." A posture that satisfies nobody but avoids committing to either side.

The Operational Reality

Pledging to secure Hormuz is a diplomatic exercise. Actually securing it is a naval one, and the naval problem is ugly.

Iran has prepared for this fight for decades. Its strategy is layered: thousands of sea mines, anti-ship cruise missiles fired from mobile coastal batteries, swarms of fast attack craft armed with rockets and torpedoes, and submarine-launched torpedoes from Kilo-class diesel boats. The Islamic Revolutionary Guard Corps Navy, distinct from the regular navy, has trained specifically for asymmetric warfare in the strait's confined waters.

Clearing the strait means minesweeping operations in waters where the current runs at three knots and the channel is barely a mile wide. It means sustained air patrols to suppress coastal missile batteries that can relocate between strikes. It means anti-submarine warfare in shallow, acoustically cluttered water. And it means escort operations for every commercial vessel that transits.

The Royal Navy can send a frigate or two. France can deploy a task group from its Indian Ocean bases. Japan and South Korea can contribute Aegis-equipped destroyers. Australia can provide patrol aircraft and possibly a frigate. None of this is individually decisive. Combined with the U.S. naval presence already in theater, it may be enough to establish escorted convoy operations.

But convoys are slow. They reduce throughput. They require weeks or months of sustained commitment. The global economy cannot wait that long for oil supply to normalize.

The Burden-Sharing Argument

Trump has been blunt: "Other nations have to protect Hormuz from Iran. We can't do it all ourselves. These countries need this oil more than we do."

He is factually correct. The United States imports relatively little oil through the strait. Europe, Japan, South Korea, and India are the dependent parties. The case for burden-sharing is legitimate.

The question is what "contribute" means when it leaves the press release and hits the water. A coalition is only as strong as its weakest commitment. If allied contributions amount to a frigate here and a patrol aircraft there while the U.S. Navy does the minesweeping, the convoy escorts, and the air suppression, then the burden has not been shared. It has been relabeled.

Diplomacy Alongside

Egypt's President Sisi arrived in Saudi Arabia on Friday for consultations, underscoring the Arab diplomatic track running parallel to the Western military effort. Riyadh has been cautious throughout: offering airspace for coalition operations but declining to strike Iran directly. The Kingdom calculates that it may need to coexist with whatever government emerges in Tehran after the guns stop, and burning that bridge entirely serves no Saudi interest.

The coalition statement is a necessary step. It establishes multilateral legitimacy for maritime security operations and distributes political risk across a broad group. What it does not do is put an additional minesweeper in the water or clear a single mine from the shipping lanes.

Twenty-two nations have pledged to secure the Strait of Hormuz. The pledge is the easy part. The hard part is the 21 miles of water, the mines beneath it, and the missiles on the shore.