# Lake Macquarie anti-submarine boom

> WWII defensive boom in Australia

**Wikidata**: [Q6476732](https://www.wikidata.org/wiki/Q6476732)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lake_Macquarie_anti-submarine_boom)  
**Source**: https://4ort.xyz/entity/lake-macquarie-anti-submarine-boom