# U-421

> 1942 Type VIIC submarine

**Wikidata**: [Q15671018](https://www.wikidata.org/wiki/Q15671018)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/German_submarine_U-421)  
**Source**: https://4ort.xyz/entity/u-421


## References

1. The Submarine War, 1939-1945
2. [Source](https://uboat.net/technical/shipyards/danziger.htm)
3. [Source](https://uboat.net/boats/u421.htm)