# U-557

> 1940 Type VIIC submarine

**Wikidata**: [Q554623](https://www.wikidata.org/wiki/Q554623)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/German_submarine_U-557)  
**Source**: https://4ort.xyz/entity/u-557


## References

1. The naval war in the Atlantic (1939-1945)
2. [Source](https://uboat.net/technical/shipyards/blohm.htm)
3. The Submarine War, 1939-1945
4. [Source](https://uboat.net/boats/u557.htm)
5. Freebase Data Dumps. 2013
6. [Source](http://www.ubootarchiv.de/ubootwiki/index.php/Herbert_A._Werner)