France Notifies MBDA of the ASN4G Hypersonic Nuclear Missile Contract

The ASN4G (air-sol nucléaire de quatrième génération) succeeds the ASMPA-R, the renovated stand-off missile now in service. The contract moves the programme from study into development, with entry into service planned around 2035 on the Rafale F5 — the standard that will carry the weapon across both legs of the airborne force. It will equip the Forces aériennes stratégiques and the navy’s Force aéronavale nucléaire, preserving the two-key airborne deterrent France has maintained since the Cold War.

The DGA’s design choice is the substantive part. The agency has built the missile around hypersonic velocity rather than low observability, on the assessment that speed will keep a stand-off nuclear weapon credible against the integrated air defences expected in the 2040s and beyond. That is a bet on a different physics of penetration from the one the United States and the United Kingdom pursue with their stealthy air-launched systems.

The proprietary read. The timing is the signal. France notified the deterrent’s next vector six days before it walked away from the joint Future Combat Air System fighter — funding the sovereign nuclear mission on a settled schedule while the conventional combat-air programme it shared with Germany collapsed. The sequence is a statement of priority: the carrier- and nuclear-capable requirements that made the joint fighter unworkable for Berlin are precisely the ones Paris is now funding alone, on the Rafale F5 and its missile. The deterrent does not wait on consensus. Tracked in Signal No. 80.