# Italian auxiliary ship Olterra

> salvaged Italian tanker used as support and base for WWII manned torpedo frogman raids on Allied shipping in Gibraltar

**Wikidata**: [Q3881924](https://www.wikidata.org/wiki/Q3881924)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Italian_auxiliary_ship_Olterra)  
**Source**: https://4ort.xyz/entity/italian-auxiliary-ship-olterra