By Emmanuel Bobby
As tensions and instability continue to disrupt the Strait of Hormuz, governments across Southeast Asia are increasingly worried that the crisis may offer a preview of what could happen if geopolitical rivalry between the United States and China escalates into open confrontation in the Pacific.
Leaders and security experts are now turning their attention toward the strategically critical Strait of Malacca, one of the world’s busiest and most economically important shipping routes. The narrow waterway, which stretches between Malaysia, Singapore and Indonesia, connects the Indian Ocean to the Pacific Ocean through the South China Sea and serves as a central artery for global trade.
Singaporean Foreign Affairs Minister Vivian Balakrishnan warned last month that the current turmoil in the Persian Gulf could foreshadow future conflicts in Asia.
“If they go to war in the Pacific, what you are witnessing now in the Strait of Hormuz is just a dry run,” Balakrishnan said, highlighting growing fears that maritime chokepoints may become major battlegrounds in future global power struggles.
The Strait of Malacca is significantly larger than the Strait of Hormuz, stretching roughly five times longer while narrowing dramatically at several points. More than a quarter of all global trade passes through the corridor, including enormous volumes of oil and natural gas shipments traveling from the Persian Gulf to East Asian economies.
The waterway is especially critical to China, whose manufacturing-heavy economy relies heavily on imported energy supplies and export shipping routes flowing through the strait. At the same time, close American allies including Japan, South Korea and the Philippines also depend on the passage for energy security and trade, making it one of the most strategically sensitive regions in the world.
For decades, the United States has maintained a dominant naval presence across the Indo-Pacific region. The United States Seventh Fleet has operated extensively throughout Asian waters since World War II and played key roles in conflicts such as the Korean War and the Vietnam War.
China, however, has spent years rapidly expanding and modernizing its own navy, which analysts now regard as the largest maritime force in the world by fleet size. Beijing has long viewed the American military presence near its coastline as both provocative and restrictive, particularly as tensions continue over Taiwan and the South China Sea.
With both powers operating near critical trade routes, military strategists increasingly see the Strait of Malacca as a potential flashpoint in any future U.S.-China conflict.
Retired Australian naval captain Sean Andrews suggested that the strait would likely become a central strategic choke point during a confrontation between Washington and Beijing.
“If I was the admiral, I would shut down Malacca,” Andrews said while discussing a hypothetical future conflict. He described the waterway as a “gatekeeping operation” where access could be tightly controlled during wartime.
According to Andrews, naval authorities could selectively permit certain commercial vessels to pass while blocking others based on political or strategic interests. Such a system could severely disrupt international trade and energy flows across Asia.
Any major disruption in the Strait of Malacca would likely force commercial ships into lengthy and expensive detours. Vessels could be rerouted through the Lombok Strait, around the Java Sea near Jakarta, or even farther south around the Indonesian archipelago.
Those alternative routes would add days to shipping schedules and increase transportation costs significantly. Still, experts note that the Malacca Strait differs from the Strait of Hormuz in one important way: alternative sea routes do exist.
In the Persian Gulf, the Strait of Hormuz acts as a near-irreplaceable gateway for several Gulf oil producers, leaving them highly vulnerable during crises. By contrast, a blockade of Malacca would create major economic disruption but would not completely cut off maritime trade.
China has long recognized this vulnerability. Former Chinese President Hu Jintao famously described the country’s heavy dependence on the strait as the “Malacca dilemma,” referring to fears that foreign powers could potentially choke off China’s access to imported oil and trade routes during a conflict.
In response, Beijing has spent years investing in alternative energy corridors, pipeline networks, port infrastructure and maritime expansion projects aimed at reducing reliance on the narrow waterway.
Security analysts say the Hormuz crisis has accelerated global awareness about the strategic risks associated with maritime chokepoints.
Christian Bueger, a maritime security professor at the University of Copenhagen and author of “Understanding Maritime Security,” argued that recent events have fundamentally altered assumptions about global shipping security.
“The control over waterways has fundamentally changed,” Bueger said, adding that traditional naval dominance alone may no longer guarantee free navigation.
The countries bordering the Strait of Malacca — Singapore, Malaysia and Indonesia — have historically tried to maintain balanced relationships with both Washington and Beijing while emphasizing open trade and regional stability.
However, the Hormuz crisis has exposed growing tensions and competing pressures.
Inspired partly by debates surrounding the Persian Gulf crisis, Indonesian Finance Minister Purbaya Yudhi Sadewa recently floated the possibility of introducing “toll booth” charges for ships passing through the Strait of Malacca. The proposal sparked regional concern before Indonesian officials later distanced themselves from the idea.
Balakrishnan quickly reaffirmed Singapore’s commitment to keeping the waterway open and free from politically motivated restrictions.
“We do not have tolls. All of us are trade-dependent economies,” he said during an event in Singapore.
Malaysian Foreign Minister Mohamad Hasan similarly emphasized that no major changes involving the strait could occur without coordination among all neighboring nations.
Unlike the Strait of Hormuz, which lacks a unified governance framework among surrounding countries, the Strait of Malacca operates under a series of cooperative agreements involving Singapore, Malaysia, Indonesia and Thailand. These arrangements include coordinated naval patrols, aerial surveillance programs, intelligence sharing and environmental protection measures.
Barbora Valockova, a research fellow at the National University of Singapore, said Singapore has increasingly taken on the role of regional coordinator in efforts to maintain stability in the strait.
According to Valockova, leaders in Southeast Asia believe the Hormuz crisis demonstrates the importance of strengthening international cooperation and insulating critical trade routes from major geopolitical conflicts.
At the same time, the United States continues expanding its partnerships in the region. Defense Secretary Pete Hegseth recently announced a new defense cooperation partnership with Indonesia, emphasizing shared commitments to sovereignty, regional peace and maritime stability.
Balakrishnan also reiterated that Singapore’s policies remain grounded in the United Nations Convention on the Law of the Sea, commonly known as UNCLOS.
“The right of transit passage is guaranteed for everyone,” he said. “We will not participate in any attempts to close or interdict or to impose tolls in our neighborhood.”
As competition between the United States and China continues intensifying across the Indo-Pacific, officials throughout Southeast Asia are increasingly determined to prevent the Strait of Malacca from becoming the next major flashpoint in a global struggle for maritime control.
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