Mount Etna otherworldly associations of the great, volcanic mountain of their new home. Mediaevalist Roger Sherman Loomis quotes passages from the works of Gervase of Tilbury and Caesarius of Heisterbach (dating from the late twelfth century) featuring accounts of Arthur's returning of a lost horse which had strayed into his subterranean kingdom beneath Etna. Caesarius quotes as his authority for the story a certain canon Godescalcus of Bonn, who considered it a matter of historic fact of the time of Emperor Henry's conquest of Sicily "circa" 1194. Caesarius employs in his account the Latin phrase "in monte Gyber" ("within Etna") to describe
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