Europe Faces Satellite Launch Capacity Shortage by 2030

ESA chief warns of European launcher shortage Europe Plans Hundreds of New Satellites – but Launch Capacity is Falling Short

2026-08-18 From Detlev Karg 3 min Reading Time

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Given the large number of satellite systems planned for both civilian and military applications at European and national level, Europe could face a bottleneck in available launch capacity within just a few years.

ESA Director General Josef Aschbacher, right, has warned of a potential bottleneck in European launch capacity in the coming years. He is pictured here meeting NASA Administrator Jared Isaacman at NASA Headquarters in Washington.(Photo: NASA/Bill Ingalls) — ESA Director General Josef Aschbacher, right, has warned of a potential bottleneck in European launch capacity in the coming years. He is pictured here meeting NASA Administrator Jared Isaacman at NASA Headquarters in Washington.
(Photo: NASA/Bill Ingalls)

ESA’s expectation is that Europe has a shortage of launchers around the year 2030 timeframe, said director-general Josef Aschbacher in an interview with the Financial Times. The US and China have launched hundreds of satellites in the past five years and invested billions of dollars into developing defence and space capabilities. Elon Musk’s SpaceX launched 170 rockets last year, while Europe launched just eight out of 160 Starts launched by other countries and companies. Aschbacher told the Financial Times, he plans to discuss the issue with ESA’s member states to “ensure that we can launch our satellites with European launchers”. Saying this, he warns about a technical European bottleneck.

Many European satellite launches planned

Europe is significantly expanding its planned IRIS² secure communications constellation as demand for sovereign and defence-related satellite capacity grows. Under the latest implementation plans, the network is set to comprise 348 satellites, including 330 satellites in Low Earth Orbit (LEO) and 18 in Medium Earth Orbit (MEO). The first launches are scheduled for 2029. IRIS² – Infrastructure for Resilience, Interconnectivity and Security by Satellite – is intended to provide secure and encrypted communications for EU institutions and Member States, while also supporting commercial connectivity. The system will serve both civilian and military applications, including defence operations, crisis management, border and maritime surveillance and the protection of critical infrastructure.

National programs as in Germany come on top

On top of this: Germany is also planning a substantial expansion of its military presence in space. As part of a €35 billion investment programme for military space capabilities, Berlin intends to establish its own constellation of secure communications satellites in Low Earth Orbit (LEO). According to reports, the planned SATCOM Stage 4 programme alone could comprise more than 100 encrypted communications satellites. The project is intended to provide the Bundeswehr with a resilient and sovereign communications infrastructure, comparable in concept to large commercial LEO constellations such as Starlink. Rheinmetall and German space company OHB are among the companies positioning themselves for the programme and have discussed a joint bid for the planned military satellite network. However, secure communications represent only part of Germany's broader space ambitions. Further investments are expected in intelligence, surveillance and reconnaissance (ISR), synthetic aperture radar (SAR), missile warning and tracking capabilities, inspection satellites and future SATCOM systems. At the same time, Rheinmetall and ICEYE are developing a German New Space ecosystem for space-based reconnaissance. The initiative also involves companies including Reflex Aerospace, OroraTech, ConstellR and LiveEO.

From today's perspective, a gap is emerging

The scale of Europe's planned satellite programmes thus could create a significant launch-capacity bottleneck towards the end of the decade. Between 2029 and 2031, Europe may have to deploy several major constellations while continuing to serve existing institutional and commercial customers. An example: Based on current constellation plans, the deployment of IRIS² could require roughly 15 to 25 launches, while Germany's planned SATCOMBw 4 military communications network could add another six to 15 missions. These estimates depend heavily on the final mass and configuration of the satellites, the launch vehicles selected and the number of spacecraft that can be deployed on each mission.

Ariane 6 cannot shoulder the burden alone

At the same time, launch capacity will be required for Galileo, Copernicus and other ESA missions, as well as commercial customers. Arianespace, for example, has a substantial launch commitment to Amazon's Leo broadband constellation. Further national European defence constellations are not included in these estimates. Taken together, deploying IRIS² and SATCOMBw 4 alone could therefore require approximately 20 to 40 launches in the early 2030s. By comparison, Ariane 6 is currently designed for a regular production rate of around nine to ten launchers per year. Nevertheless, ESA Director General Josef Aschbacher remains optimistic. He told the Financial Times that he “strongly believes” Europe will be able to bridge the expected shortfall in launch capacity.

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