# 9K33 Osa

> 1970s self-propelled surface-to-air missile system

**Wikidata**: [Q694993](https://www.wikidata.org/wiki/Q694993)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/9K33_Osa)  
**Source**: https://4ort.xyz/entity/9k33-osa


## References

1. Freebase Data Dumps. 2013
2. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0404660-9K33-Osa-protiletadlovy-system)