Rocket Report: LEOデータセンター構想とロシア新型ICBMの試験成功 Rocket Report: Cowboy up for data centers in LEO; Russia's new ICBM actually works

The latest edition of Ars Technica's weekly Rocket Report offers its usual broad sweep across the launch industry, this week highlighting three intersecting themes: rising interest in low Earth orbit data centers, Russia's claimed success with its new Oreshnik intermediate-range missile, and a familiar sense of stagnation in European launch development.

The idea of putting data centers in orbit has gained new momentum as AI workloads strain terrestrial power and cooling budgets. Proponents argue that LEO offers near-continuous solar power and passive radiative cooling to space, potentially sidestepping grid bottlenecks. Startups such as Starcloud are planning small demonstration payloads, and figures including Jeff Bezos have publicly endorsed the concept. The engineering reality is harder: dissipating gigawatts of heat in vacuum, hardening silicon against radiation, sustaining high-bandwidth optical links, and amortizing launch costs all remain unresolved. Most analysts treat near-term orbital data centers as niche edge-compute platforms rather than wholesale replacements for hyperscale facilities on Earth.

On the military side, Russia is again touting its Oreshnik system, a medium-range ballistic missile reportedly first used in a non-nuclear strike on Dnipro, Ukraine, in late 2024. Moscow describes it as a hypersonic, MIRV-style weapon, although Western analysts have questioned how novel the underlying hardware really is versus repurposed RS-26 Rubezh components. Whatever the truth, the program is a reminder that ICBM and space-launch technologies share deep roots: advances in solid motors, reentry vehicles, and guidance feed both sides of the dual-use line.

Europe, meanwhile, continues to wrestle with a familiar predicament. Ariane 6 is finally flying operationally, but ramp-up has been slow, and the small-launch ecosystem around firms like Isar Aerospace, Rocket Factory Augsburg, and MaiaSpace has yet to produce a clear winner. The European Launcher Challenge is intended to spur reusable, commercially driven vehicles, but the policy debate around guaranteed institutional payloads and sovereign access to space drags on. Against SpaceX's Falcon 9 cadence and the looming operational debut of Starship, plus emerging mid-class reusables such as Rocket Lab's Neutron and Blue Origin's New Glenn, Europe's competitiveness remains an open question.

Taken together, the report sketches an industry where commercial ambition, national security, and infrastructure policy are increasingly entangled. Orbital data centers exemplify how downstream applications are starting to drive launch demand, rather than the other way around. Russia's missile testing underscores how launch-adjacent technologies remain strategically sensitive. And Europe's struggles show that simply having capable engineering talent is not enough without aligned procurement and a willingness to embrace reusability.

Eric Berger's Rocket Report franchise has become a useful weekly checkpoint for readers tracking these crosscurrents. As the line between civil, commercial, and military space continues to blur, that kind of consolidated reporting is arguably more valuable than ever, even if individual items, such as the Oreshnik claims, deserve to be read with appropriate skepticism.