The following is a list of Royal Navy ship names by name in alphabetical order, both past and present. Many of the names have been re-used over the years and thus represent different ships.
(Note that this list still lacks many important ships.)
... et Sécurité du Territoire (DST)
Deuxieme Bureau[?] (Defunct)
Direction Générale de la Sécurité Extérieure[?] (DGSE)
Secretariat General de la Defense Nationale[?] ...