The LADS (Laser Airborne Depth Sounder) project was a major DSTO achievement in its time. The competing technology was/is sonar, another area many DSTO alumni worked in.
A recent article in IEEE Spectrum on a new underwater imaging system that combines both technologies makes an interesting read, especially for folk who worked in either domain.
Click here to read the article.
Thanks to alumnus Garry Newsam for bringing the article to our attention.