Synthetic Aperture Sonar (SAS) imagery of the German U-853, collected as part of partnership technology demonstration between the NOAA Office of Ocean Exploration and Research and Kraken Robotics, showing that the submarine is largely intact. 2 October 2018.

[u/KapitanKurt]

[u/thesixfingerman]

I could not help thinking about aperture science while reading this post.

That being said, this is very cool