# submarine pen

> type of submarine base that acts as a bunker to protect submarines from air attack

**Wikidata**: [Q452020](https://www.wikidata.org/wiki/Q452020)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Submarine_pen)  
**Source**: https://4ort.xyz/entity/submarine-pen


## References

1. Freebase Data Dumps. 2013
2. BabelNet