On August 28, 2025, the French Defence Procurement and Technology Agency (DGA) awarded ArianeGroup the contract to design and produce the fourth version of the M51 strategic ballistic missile (M51.4).
“This contract coincides with the entry into service of the M51.3, the missile's latest version, and the acceleration in production at ArianeGroup in line with the agreed schedule,” comments Vincent Pery, Director of Defence Programs at ArianeGroup. “On behalf of ArianeGroup and all the teams, I would like to thank DGA for its renewed confidence in our highly strategic expertise and capabilities, which are vital to France's Strategic Oceanic Force.”
The M51.4's enhanced range, precision and penetration capabilities will reinforce the credibility of France's oceanic nuclear deterrent in response to evolving threats.
The contract marks the start of design and then production of the M51.4, ensuring ongoing activity for ArianeGroup and hundreds of partner companies in the coming years. This major program will also serve as a driver of transformation, by incorporating innovative technologies, methods and approaches, in order to meet the ambitious technical and economic objectives.
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Download free sample pages More informationArianeGroup has been industrial prime contractor for France's Strategic Oceanic Force (FOST) M51 strategic missile on behalf of DGA. In this role, ArianeGroup is active across the program's lifecycle, including design, production, maintenance and in-service support, as well as end-of-life decommissioning and dismantling.
