# air-independent propulsion

> propulsion system for submarines which operates without access to atmospheric oxygen

**Wikidata**: [Q789826](https://www.wikidata.org/wiki/Q789826)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Air-independent_propulsion)  
**Source**: https://4ort.xyz/entity/air-independent-propulsion


## References

1. Freebase Data Dumps. 2013