# Porpoise-class submarine

> 1933 class of American submarines

**Wikidata**: [Q967977](https://www.wikidata.org/wiki/Q967977)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/United_States_Porpoise-class_submarine)  
**Source**: https://4ort.xyz/entity/porpoise-class-submarine


## References

1. Freebase Data Dumps. 2013