| has gloss | eng: The submarine forces of France (Forces sous-marines or FSM) is the submarine component of the French Navy. It is a self-sufficient command (that is, one providing the maintenance and support of its own vessels) served by 3,300 personnel and made up of two components: *the force océanique stratégique (FOST), made up of four ballistic missile submarines, based at île Longue *the escadrille des sous-marins nucléaires d'attaque (ESNA, or nuclear attack submarines squadron), made up of 6 SSNs, based at the Toulon arsenal |