The sea is no longer neutral by Oli Chavez

World Maritime Day was never meant to be a celebration of ships alone. It is a reminder that modern civilisation floats, quite literally, on the oceans. Food, fuel, manufactured goods, energy and raw materials travel across them. Cables carrying the nervous system of the digital economy lie beneath them. Ports connect continents more effectively than many diplomatic summits ever manage. Yet the uncomfortable truth of our age is that the sea, once treated as the great open highway of globalisation, is becoming another battlefield.

The irony is considerable. Globalisation was supposed to make war more difficult because countries became economically dependent on one another. Instead, interdependence has produced a new arsenal. A disrupted shipping lane can become an economic weapon. A damaged undersea cable can become a strategic message. A threatened port can unsettle markets thousands of kilometres away. A tanker delayed by conflict can affect consumers who may not even know where the vessel was sailing.

The Red Sea has demonstrated this transformation particularly clearly. Commercial ships can suddenly find themselves navigating not merely weather and currents but missiles, drones and political calculations. The Black Sea has similarly shown how maritime commerce can become entangled with military strategy. Elsewhere, disputes over territorial waters, islands, fishing grounds, seabed resources and strategic waterways are increasingly wrapped in the language of national security.

This should force governments to reconsider what maritime security actually means. For decades, maritime security was often discussed in terms of navies, piracy and border protection. Those remain important, but they are no longer enough. The vulnerable maritime infrastructure of the twenty-first century includes ports, pipelines, offshore energy installations, satellite navigation, digital logistics systems and submarine communications cables. Protecting a ship while ignoring the invisible infrastructure supporting it is rather like guarding the front door while leaving every window open.

There is also a political danger in treating the oceans as merely another arena for great-power competition. The sea belongs to no single superpower. Its stability is a collective interest, including for countries without large navies. A crisis in one strategic waterway can quickly become an inflation problem, an energy problem or a food-security problem somewhere far away.

That is why World Maritime Day should become less ceremonial and more uncomfortable. The maritime world needs stronger international cooperation precisely when geopolitics is making cooperation harder. Shipping companies need predictable rules. Smaller states need meaningful protection for their maritime interests. International institutions need the authority and resources to respond before commercial routes become military front lines.

There is a further question that rarely receives enough attention: who pays for maritime security? Shipping companies ultimately pass higher insurance, security and diversion costs to consumers. Governments deploy expensive naval forces. Poorer countries, meanwhile, can suffer disproportionately from disruptions they did not cause and cannot prevent.

The ocean has always been unforgiving. What has changed is our ability to turn its vulnerabilities into geopolitical leverage.

World Maritime Day should therefore remind us of something more profound than the importance of shipping. The oceans are the bloodstream of globalisation. If governments allow them to become permanently militarised, everyone will eventually pay the price.

The future of maritime security cannot simply be about protecting ships from war. It must also be about preventing the sea itself from becoming another permanent theatre of war.