Mount Etna the southeast and the northeast of the volcanic cone. The name Mongibel is found in Arthurian Romance, as the name of the otherworld castle (or realm) of Morgan le Fay and her half-brother, King Arthur, localised at Etna, according to traditions concerning them derived from the stories told by the Breton "conteurs" who accompanied the Norman occupiers of Sicily. What were originally Welsh conceptions concerning a dwarf king of a paradisal, Celtic underworld became attached to the quasi-historic figure of Arthur as "Ruler of the Antipodes" and were then transplanted into a Sicilian milieu, by Bretons impressed by the already
Italian ship Etna (A 5326) . She is powered by two Sulzer diesel engines, which drive two propellers through reduction gearing. This system gives "Etna" a speed of , though she has the greatest range () at a speed of . "Etna" is equipped with minimal armament and an electronic warfare support measures system. The ship is also equipped with an Alenia Marconi Systems radar, a Selex command system and an Elmer MAC communications system. In March 2011, "Etna" was deployed to the coast of Libya as part of Operation Unified Protector, a NATO operation to enforce an arms embargo on Libya. Italian ship Etna