| S3 | |
|---|---|
S3 missile on display at Le Bourget museum |
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| Type | IRBM |
| Place of origin | France |
| Service history | |
| In service | 1980-1996 |
| Used by | French military |
| Specifications | |
| Weight | 25.8 tonnes |
| Length | 13.8 metres |
| Diameter | 1.5 metres |
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| Warhead | TN 61 warhead, 1.2 megatonnes |
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| Engine | Two-stage solid fuel Rocket |
| Propellant | 23 tonnes solid fuel |
| Operational range |
3 500 km |
| Guidance system |
Inertial |
| Launch platform |
Silo, Plateau d'Albion |
The S3 was a French land-based Intermediate Range Ballistic Missile, equipped with a single 1.2-megatonne thermonuclear warhead.
The S3 is a two-stage, solid-propelland Intermediate Range Ballistic Missile. The first stage was inherited from the S2, with a P16 solid fuel engine and 4 exhausts.
The first stage carries 16 940 kg of fuel and burns for 72 seconds. The second stage carries 6 015 kg and burns for 58 seconds. The warhead, a single 1.2 Mt TN 61, is hardened and carries penetration aids.
From 1971, the main component of the French deterrence was the S2 missile. In 1973, a programme was started to develop a second-generation "ground-ground ballistic strategic" missile, completed in 1980. Two groups of S2 missile silos were upgraded to the S3 standard.
A first 9-missile group was deployed at Apt-Saint-Christol air base, on Plateau d'Albion, entering service in 1982. 40 missile were built, 13 being used on trials.
The S3 were originally planned to be replaced around 2005 by a land-based version of the M5, the submarine missile planned at the time. As the M5 project was itself delayed and eventually cancelled in favour of the M51, in 1994, the replacement was re-scheduled to by a land-based version of the M45. Eventually, in 1996, it was decided that the S3 would be phased out and not replaced.
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