https://www.cnn.com/2023/06/21/us/ho...-dg/index.html
"The Titanic submersible was going down nearly 13,000 feet. Just how deep in the ocean is that?"
We have the ability/technology to send people to the moon and rovers to Mars, which are thousands upon millions of miles away, and have the capabilities to track them so they don't get lost. Yet, we can't track a vehicle on our home turf that is less than 3 miles down underwater? Are there not any in-case-of-emergency functionalities on these things?