# Friedrich Hartel

> German navy officer and WWII submarine commander

**Wikidata**: [Q96440081](https://www.wikidata.org/wiki/Q96440081)  
**Source**: https://4ort.xyz/entity/friedrich-hartel


## References

1. Database of the Military Historical Archive
2. Die deutschen U-Boot-Kommandanten (1 ed.)
3. Database of members of the Czechoslovak Republic of military units abroad for the World War II