# HMS Grampus

> 1957 Porpoise-class attack submarine

**Wikidata**: [Q5632615](https://www.wikidata.org/wiki/Q5632615)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HMS_Grampus_(S04))  
**Source**: https://4ort.xyz/entity/hms-grampus-q5632615