Private Space Companies and Sovereignty

The Commercial Revolution

The space industry has undergone a fundamental transformation. In 2010, virtually all orbital launches were conducted by government agencies. By 2024, commercial companies — led by SpaceX — conducted the majority of launches worldwide. SpaceX alone launched more mass to orbit in 2023 than all other launch providers combined. Blue Origin, Rocket Lab, and dozens of other companies are building a commercial space ecosystem that would have been unimaginable two decades ago.

This shift has geopolitical consequences. SpaceX's reusable Falcon 9 and Starship rockets have given the United States a decisive launch advantage — not through a government program, but through a private company. Europe's Arianespace, Russia's Roscosmos, and even China's state-backed programs have struggled to match SpaceX's cost and cadence. Access to space is increasingly a function of private-sector innovation, which raises questions about what happens when space governance was designed for a world of state actors.

The Governance Challenge

The Outer Space Treaty's Article VI makes states responsible for their nationals' space activities. But the practical implications are complex. If SpaceX establishes a refueling depot on the Moon, is it US sovereign territory? The treaty says no. But if another entity interferes with the depot, the US is responsible for ensuring its nationals are protected. The line between state responsibility and de facto sovereignty becomes blurry when private companies operate far from Earth.

The US has begun addressing this through domestic legislation. The 2015 SPACE Act affirms that US citizens may own resources extracted from space — the first national law explicitly endorsing private space resource rights. Luxembourg passed similar legislation in 2017, positioning itself as a regulatory hub for asteroid mining. Japan and the UAE followed.

Critics argue these national laws violate the Outer Space Treaty's prohibition on national appropriation. Supporters counter that extracting resources (like mining gold from a river) is different from claiming sovereignty over territory. This debate will only intensify as private lunar mining and asteroid operations move from concept to reality.