As Hormuz crisis rattles the world, eyes are on another key waterway

HONG KONG — As the crisis in the Strait of Hormuz drags on, guardians of another critical waterway are worried about the precedent it sets for any future clash between the United States and China.

“If they go to war in the Pacific, what you are witnessing now in the Strait of Hormuz is just a dry run,” Singaporean Foreign Affairs Minister Vivian Balakrishnan said last month.

Singapore, Indonesia and Malaysia all flank the Strait of Malacca — a waterway roughly five times longer and 10 times narrower than the Strait of Hormuz at its tightest point. It carries more than a quarter of global trade, including most of the oil that flows from the Persian Gulf to key Asian markets.

Goods from China are heavily reliant on the strait, which links the Indian Ocean with the Pacific Ocean via the South China Sea, but it also serves as the primary energy lifeline for U.S. allies such as South Korea, Japan and the Philippines, making control of the waterway crucial in any future U.S.-China conflict.

For decades, the U.S. has maintained a strong naval presence across the region, with the U.S. Navy’s 7th Fleet having played an active role during several wars in Asia, including in Korea and Vietnam. Its constant presence has long irked leaders in China, whose own navy has undergone rapid modernization and is now the largest in the world.

With the two global superpowers in proximity to the strait, the question is whether a Hormuz-style showdown could one day happen here too.

“If I was the admiral, I would shut down Malacca,” said Sean Andrews, a retired Australian naval captain, referring to a hypothetical future U.S. conflict with China. “In any potential crisis, Malacca will be a gatekeeping operation of sorts.”

“Certain ships would be allowed to go through, and certain ships wouldn’t be allowed to go through,” he said.

Any disruption to the strait would force vessels on costly dayslong detours. Ships would have to reroute further south, through the Lombok Strait, around the Java Sea near Jakarta, or bypass the Indonesian archipelago entirely. “It’s the quickest way through a geographical obstacle like Southeast Asia,” Andrews said.

However, potential disruption may not be as critical as the Hormuz crisis, which has left many Gulf states with effectively no route to the wider ocean. There are alternative routes for vessels if Malacca is blocked, meaning a closure could prove more of an inconvenience than an absolute barrier to trade.

Wary of any geostrategic vulnerability, China has spent decades seeking a solution to what former Chinese President Hu Jintao dubbed the “Malacca dilemma,” seeking to reduce its dependence on crude oil imports coming through the strait.

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