Very informative video in this link:
https://redstate.com/brutalbrittany/2023/06/22/wreckage-of-lost-titanic-sub-titan-confirmed-condolences-given-by-us-coast-guard-in-somber-briefing-n765482
I have to say the combined efforts from all the unified command countries involved is, as usual in search and rescue, about as good as it gets.
I have been there and tip my hat to all the men and women racing to save the stricken.