France’s new supersonic nuclear missile in the spotlight

French nuclear missile

The French authorities unveil the ASMPA-R supersonic nuclear missile for the first time: performance, entry into service, reasons for its public reveal.

Summary

France has just given a first clear glimpse of its upgraded supersonic nuclear missile, the ASMPA-R, now in service with both the Air Force’s Strategic Air Force (FAS) and the Navy’s Nuclear Air Force (FANu). This version, the result of a modernization program, offers increased range (up to approximately 600 km) and maintains a speed of around Mach 3. The missile carries a TNA-type nuclear warhead with an estimated yield of up to 300 kilotons. Official images released in November 2025 provide unprecedented visibility of the missile. This partial transparency aims to assert the credibility of the airborne component of French deterrence and to mark a pause in the face of evolving threats. The timing is in line with the 2024-2030 Military Programming Law and a long-term strategic renewal.

The context of commissioning

The ASMPA-R (Air-Sol Moyenne Portée Amélioré Rénové) missile is part of the modernization of the airborne component of France’s nuclear deterrent. Its predecessor, the ASMPA (Air-Sol Moyenne Portée Amélioré), entered service in 2009/2010. The renovation program was launched around 2016 to extend the life of the delivery system until the arrival of its successor, the ASN4G (Air-Sol Nucléaire de 4ᵉ Génération), scheduled for around 2035.

According to official announcements in November 2025, the missile is now operational for the Navy after being put into service for the Air Force in 2023. The Minister of the Armed Forces indicated that the evaluation of firing from a naval fighter, simulating a representative nuclear raid, concluded the renewal maneuver provided for in the military programming law.

France now has a modernized airborne component for its nuclear deterrent, on both the Rafale and Rafale-M.

Technical performance of the missile

The ASMPA-R has impressive characteristics for a deterrent vehicle. It is a ramjet missile powered by liquid fuel after an initial solid powder ignition. This architecture allows it to maintain a high speed of up to approximately Mach 3 (nearly 3,700 km/h depending on altitude).

In terms of range, official sources cite a value of around 600 km (approximately) for the upgraded version, compared to around 500 km for the previous ASMPA version. These gains are the result of improvements in the engine, aerodynamics, and navigation.

In terms of payload, the missile carries a TNA (airborne nuclear warhead) type warhead. Open data suggests a yield of up to 300 kilotons. By way of comparison, the Hiroshima bomb was around 15 kilotons.

In terms of its mission, this missile is designed for “pre-strategic” airborne strikes: a credible nuclear warning before the possible use of submarine-launched ballistic missiles. This mission requires penetration trajectories, low-altitude flights, in-flight refueling for the carrier aircraft (in this case, the Dassault Rafale or Rafale-M), and a precise and resilient guidance system.

Operational status confirmed

One of the key points is that this missile is not simply being demonstrated: it has been declared to be now in operational service. The Navy conducted an official evaluation with a non-nuclear launch from a Rafale-M as part of an operation called “Operation Diomède.” The ministry emphasized that this sequence simulated a complete nuclear raid, from takeoff to reaching the firing zone.

For its part, the Air Force had already taken the 2023 version into account. The 2023 FAS report clearly states that exercises involving Rafale aircraft carrying ASMP-A / ASMPA-R missiles are periodically carried out for “operational credibility.”

The entry into service with the Navy is an important milestone, as it marks the complete coverage of the airborne component – land (via the Air Force) and naval (via the Navy), which strengthens France’s deterrence posture in all its missions.

Why reveal these images for the first time?

The release by the French authorities on November 13, 2025, of unblurred (or only partially blurred) photographs of the ASMPA-R missile marks a relative break with the usual absolute secrecy surrounding strategic weapons. Several reasons can be identified.

Firstly, it is a matter of publicly affirming the modernization of deterrence: by showing the missile, France is sending a clear message to its adversaries and partners. This targeted transparency reinforces the credibility of the airborne component. The Minister of the Armed Forces reiterated this by emphasizing that it “responds to the ambition” to maintain this capability.

Secondly, it is an act of international communication. In a tense geopolitical context (war in Ukraine, rise of China), showing that a European country has a modern deterrent vector helps to deter. It acts as a “signal.”

Thirdly, it is a matter of legitimizing public spending and the program schedule within the framework of the 2024-2030 Military Programming Law. Showing that the equipment has been delivered and is operational meets budgetary transparency requirements and parliamentary debates.

Finally, by releasing these images, the French government is showing that it has mastery over the entire chain: missiles, aircraft, refueling, logistics—everything is “in place.” This contributes to the policy of nuclear sovereignty and, more generally, to the affirmation of the strategic autonomy of the French and European aerospace industry.

French nuclear missile

Strategic implications and open questions

This modernization phase raises important questions. Strategically, the fact that the airborne component has now been upgraded strengthens France’s credible deterrence posture. It should be emphasized that this missile does not replace the submarine component (via SSBNs) on its own, but rather completes the chain.

From an industrial perspective, this program strengthens French players such as MBDA France and associated skills (ramjet, guidance, stealth, etc.). This contributes to the construction of a strong French aerospace industrial base.

However, questions remain:

  • The exact level of secrecy remains high, particularly regarding the homothetic part of the improvements (stealth, countermeasures).
  • The ASN4G successor is already in development and the ASMPA-R’s service life will need to be sufficient to cover the period until 2035.
  • The balance between national mission and European contribution or synchronization with allies (NATO) remains to be clarified.
  • One may wonder to what extent this modernization is visible as a deterrent or as a “warning” element.

A critical and forward-looking view

Let’s be frank: the commissioning of the ASMPA-R is a good thing for France, but it is not a panacea. The missile retains its “supersonic” speed (Mach 3) but does not have the “hypersonic” performance that some players are developing. The successor ASN4G is aiming for Mach 6 or more.

Furthermore, in the broader European defense environment, this type of vector remains national. There is no direct cooperation with other European countries for this specific missile. This raises the question of the relationship between national deterrence and collective European defense.

Another aspect is that the carrier aircraft, in this case the Rafale or Rafale-M, must be refuelable and integrated into complex logistics chains. This imposes high costs and a dependence on associated equipment. The missile is only one element of a larger system.

Finally, the date on which the images were released suggests a diplomatic and strategic purpose: to announce that a milestone has been reached. This may be intended to influence the international agenda, but also to prepare public opinion for new expenditure or more assertive nuclear policy choices.

The missile remains useful in the nuclear ecosystem

The ASMPA-R missile remains fully useful despite the emergence of very long-range hypersonic missiles, as its mission is not comparable: it serves as an airborne deterrent, designed to deliver a nuclear payload in a “warning strike” scenario, at intermediate range, with a specific penetration profile based on supersonic speed, low-altitude flight, and maneuverability. Hypersonic missiles, often ballistic or quasi-ballistic, favor extreme speed and intercontinental range, but they do not offer the same strategic flexibility or political value as an airborne system that can be recalled or reconfigured in flight. The ASMPA-R is part of a graduated deterrence strategy, whereas hypersonic systems meet other needs. It therefore remains relevant as long as France wishes to maintain a credible pre-strategic strike capability to complement the ballistic missiles carried by its submarines.

The unveiling of the ASMPA-R missile marks a tangible step forward in the evolution of French air deterrence. It combines technical modernization, strategic affirmation, and political image. The challenge ahead will be to maintain this course, ensure consistency with other nuclear components, and guarantee that this capability remains credible, scalable, and fully operational.

War Wings Daily is an independant magazine.