311
Pentagon AI more ethical than adversaries’ because of ‘Judeo-Christian society,’ USAF general says
(www.defenseone.com)
This is a most excellent place for technology news and articles.
It depends on the size of the search area, which is often comparable to large states in the US. Locating famous wrecks like Titanic and Bismark can be a major undertaking.
And then if it's deep like Titanic retrieval may be too expensive, too risky or both.