Vega C Rocket Failure Destroys Two Pléiades Neo Satellites (2022)
On December 20, 2022, the European Vega C rocket suffered a catastrophic failure during only its second-ever flight, destroying two French Pléiades Neo Earth-observation satellites shortly after liftoff from the Guiana Space Centre. The failure dealt a significant blow to Europe's independent access to space, grounding the Vega C launcher for more than a year while investigators traced the cause to a critical engine component.
A Promising New Launcher's Setback
Vega C, short for Vega Consolidation, is an expendable, medium-lift rocket developed and manufactured by the Italian aerospace company Avio in partnership with the European Space Agency (ESA) and the French space agency CNES. Designed as an evolution of the original Vega launcher, which had flown since 2012, Vega C promised a roughly 20 percent increase in payload capacity and greater mission flexibility, capable of carrying up to 2,300 kilograms to a reference orbit. The rocket completed a successful maiden flight on July 13, 2022, lifting off from the Guiana Space Centre in Kourou, French Guiana, and delivering several satellites to orbit, including ESA's LARES-2. That early success generated optimism that Europe had secured a more capable, cost-effective vehicle to complement the larger Ariane 6 rocket then still in development. Vega C's second flight, designated VV22, was intended to build on that momentum by launching two Pléiades Neo satellites for the French company Airbus Defence and Space. These high-resolution Earth-observation satellites, each weighing roughly 920 kilograms, were designed to provide sub-meter resolution imagery for both commercial and government customers, forming part of a four-satellite constellation. Instead, the December 20 mission ended in failure less than three minutes after liftoff, marking a sobering setback for a launcher still in its early operational life and raising immediate questions about the reliability of its critical propulsion systems.
Did You Know?
The failed Zefiro 40 motor's nozzle insert was supplied by Yuzhnoye, a Ukrainian aerospace manufacturer whose production was disrupted by the ongoing war following Russia's 2022 invasion, revealing an unexpected geopolitical vulnerability at the heart of Europe's rocket supply chain.
The Failure and Its Immediate Aftermath
The Vega C rocket lifted off as scheduled from the Guiana Space Centre, but approximately two minutes and 27 seconds into flight, telemetry data showed an abrupt and unexpected drop in pressure within the Zefiro 40 second-stage solid rocket motor. The anomaly caused the rocket to deviate from its planned trajectory, and range safety officials terminated the flight shortly afterward. Both Pléiades Neo satellites, along with the rocket itself, were destroyed, representing a substantial financial loss estimated at well over 100 million euros when accounting for the satellites, launcher, and associated infrastructure. Arianespace, the French company responsible for commercial operations of Vega C, immediately suspended further launches pending an investigation. ESA and Avio convened an independent inquiry board to determine the root cause. Within weeks, investigators traced the failure to the thermo-mechanical erosion of a carbon-carbon nozzle throat insert supplied by a Ukrainian manufacturer, Yuzhnoye, whose production had been disrupted following Russia's full-scale invasion of Ukraine in February 2022. The insert failed to withstand the intense heat and pressure generated during the Zefiro 40's burn, leading to the loss of thrust and structural integrity. The finding highlighted unexpected vulnerabilities in Europe's space supply chain, particularly the geopolitical risks tied to sourcing critical hardware components from conflict-affected regions, and it forced engineers to urgently qualify a new, more robust nozzle design before returning the rocket to flight.
Grounding, Recovery, and Long-Term Consequences
The December 2022 failure grounded Vega C for more than a year, compounding difficulties for Europe's launcher industry at a moment when Ariane 5 had already retired and its successor, Ariane 6, faced repeated delays. A subsequent static-fire test of the redesigned Zefiro 40 motor in a 2023 qualification campaign also encountered an anomaly, further postponing the launcher's return and intensifying concerns about Europe's ability to guarantee autonomous access to space without relying on external providers such as SpaceX. Avio, ESA, and Arianespace worked through 2023 to redesign the nozzle throat insert, shifting production away from the disrupted Ukrainian supply chain, and conducted extensive ground testing to validate the fix. Vega C finally returned to flight on December 5, 2024, successfully launching the Sentinel-2C Earth-observation satellite for the Copernicus program, restoring confidence in the vehicle. The episode prompted broader reforms in how European space agencies vet and diversify critical component suppliers, and it underscored the fragility of complex international supply chains amid geopolitical instability. It also intensified debates within ESA member states about consolidating launcher management, eventually contributing to Avio taking a more prominent, independent commercial role in marketing Vega C launches beginning in 2024, separate from Arianespace's traditional oversight.