![M4 (missile) M4 (missile)](https://upload.wikimedia.org/wikipedia/commons/thumb/5/55/Missile-ballistique-M4.jpg/400px-Missile-ballistique-M4.jpg)
The M4 was a French submarine-launched ballistic missile (SLBM) deployed on the nuclear Redoutable-class submarines (except the Redoutable herself, which was not refitted).
They entered service on 1 May 1985. They were the first French MIRV-capable nuclear missiles, with six 150 kilotonne warheads.
They were replaced by the improved M45 SLBM missile which was in service aboard the Triomphant-class submarine.
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