International Space Station Endures as One of the Last Bridges Between Rival Powers

As geopolitical tensions continue to reshape international relations across the globe, the International Space Station (ISS) stands out as an increasingly rare example of sustained cooperation between adversarial nations. That is the assessment offered by Alban Guyomarc'h, a researcher in space geopolitics at the École Normale Supérieure in Paris, who appeared on France 24's Spotlight program to discuss the orbiting laboratory's unique role in a divided world.

Speaking with host François Picard, Guyomarc'h described the ISS as "one of the rare collaboration spaces we still have today in a very conflictual era." His remarks underscore a central irony of contemporary space exploration: even as political rivalries intensify on Earth, the most ambitious human outpost beyond the planet remains a joint venture between East and West.

The station, a modular habitat orbiting roughly 400 kilometers above Earth, has for decades symbolized what nations can accomplish when they pool resources and expertise. According to Guyomarc'h, it represents a historic bridge between the United States, Russia, Europe, Japan, and Canada — partners whose terrestrial governments frequently find themselves at odds. That the station continues to function despite those tensions is, in his view, no small achievement.

Guyomarc'h framed the latest ISS mission as more than a technical milestone. While the engineering feats involved in launching crews and sustaining life in orbit are considerable, the mission's deeper significance lies in what it says about the possibility of continued collaboration. In an era marked by confrontations over trade, territory, and technology, the station offers a counterexample — a working model of shared scientific purpose.

The researcher also touched on the human dimension of spaceflight, examining the emotional experience of returning to Earth after an extended stay in orbit. Astronauts frequently describe a profound psychological shift upon reentry, a phenomenon that has fascinated scientists and the public alike. Such accounts remind audiences that space exploration is not solely a matter of hardware and budgets, but also of human resilience and perspective.

Beyond the present, Guyomarc'h addressed the political implications of the ISS's planned retirement. The station cannot operate indefinitely; its structural limits and funding cycles point toward an eventual decommissioning. When that day comes, the question of what replaces it — and who participates — will carry significant geopolitical weight. A cooperative framework could preserve the spirit of the ISS, while a fragmented approach could accelerate competition.

That competition is already visible in the intensifying race to establish a permanent human presence on the Moon. Multiple national space programs and private companies have announced lunar ambitions, ranging from orbital stations to surface habitats. Guyomarc'h's analysis points to nuclear-powered lunar infrastructure as one area where strategic rivalries are beginning to play out, with nations seeking technological advantages that could shape the future of off-world settlement.

The growing strategic importance of space forms another thread of his argument. Satellites now underpin communications, navigation, surveillance, and economic activity, making orbital assets critical to national security. As a result, space has shifted from a domain of pure scientific inquiry into a theater of strategic calculation — one where cooperation and rivalry coexist uneasily.

This tension produces what Guyomarc'h describes as a central paradox: humanity is acquiring unprecedented capabilities to explore beyond Earth, yet the political foundations that make cooperation possible appear increasingly fragile. The same technological progress that opens new frontiers may also sharpen the incentives to compete rather than collaborate.

For those who study space geopolitics, the ISS thus serves as both an inspiration and a warning. It demonstrates that long-term international partnership is feasible, even among rivals. But its eventual retirement raises the possibility that the conditions enabling such partnership may not persist. Whether future generations inherit a cooperative or contested cosmos is, in this reading, a political question as much as a scientific one.

Guyomarc'h's comments arrive at a moment when public attention to space is high. Recent missions and crewed returns have drawn extensive coverage, reflecting continued fascination with human spaceflight. Yet behind the spectacle lie difficult questions about funding, governance, and the distribution of benefits from space-based research and industry.

The ISS's scientific output remains substantial, encompassing research in biology, physics, materials science, and Earth observation. Its experiments have yielded insights that would be difficult or impossible to obtain on the ground, and its data are shared among partner nations. This collaborative model has been held up as a template for future ventures.

However, the station's longevity also means its vulnerabilities are well documented. Aging systems require constant maintenance, and the logistical costs of resupply are considerable. These practical constraints reinforce the sense that the ISS era will someday end, leaving its successors to navigate a more complicated political landscape.

For now, the station continues to host rotating crews engaged in research and maintenance, orbiting in a kind of diplomatic limbo above the conflicts below. Its survival is a reminder that cooperation is possible even in a conflictual era — but it is also a reminder that such cooperation depends on choices that are never guaranteed.

By: François Picard, Ilayda Habip, George Shantzek