Strategic Oceanic Force
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The Strategic Ocean Force (French: Force océanique stratégique, FOST) is one of two terms that describe the submarine component of the French Navy. Prior to 1999, FOST grouped ballistic missile submarines with a role in France's nuclear deterrent. Since 1999, they have been integrated with the Submarine Forces, which prior to that date was responsible solely for France's attack submarines. The two terms are now used separately, or in combination, for the combined force, which includes both ballistic missile and attack submarines, all of which are nuclear-powered.
The French Strategic Ocean Force Command ALFOST was set up in 1972 under a Squadron Vice-Admiral.