Home›1913 ships›Italian auxiliary ship Olterra🌐EnglishEnglishFrançaisItalianoNederlandsРусскийEntityQ3881924· pop 6· linked from 133 articlesItalian auxiliary ship Olterrasalvaged Italian tanker used as support and base for WWII manned torpedo frogman raids on Allied shipping in GibraltarWikidata factsImageOlterra (1961).jpgShow 1 more factCommons categoryOlterra (ship, 1913)via Wikidata · CC0On the mapAvailable in 5 languagesFrançaisРусскийItalianoFinnishvia Wikidata sitelinks · CC0ConnectionsWorld War IIConceptJunio Valerio BorgheseEntityCategories1913 shipsAuxiliary ships of the Regia MarinaBattle of the MediterraneanClandestine operationsFrogman operationsGibraltar in World War IIItalian naval victories in the battle of the MediterraneanMaritime incidents in June 1940MAS fleetShips built by Palmers Shipbuilding and Iron CompanyShips of ItalyShipwrecks of Spain