Titan submersible's batteries suddenly drained during 2022 trip to Titanic, forcing tour to end early - with communications also blacking out for two hours

https://www.dailymail.co.uk/news/article-12219589/Missing-Titans-sub-battery-suddenly-DRAINED-2022-Titanic-trip-cutting-expedition-short.html

Its usually a good idea to thoroughly test such a deep underwater vehicle. Plus, having an emergency rescue sub stationed on the surface. That way, it could have started to rescue the sub shortly after communications were lost.

https://www.dailymail.co.uk/news/article-12220107/Missing-Titanic-submarine-Five-things-happened-Titan.html

Missing OceanGate CEO was sued for FRAUD by Florida couple who accused him of taking $210,000 to see Titanic wreck when he knew the vessel was not ready https://www.dailymail.co.uk/news/article-12216669/Missing-OceanGate-CEO-Stockton-Rush-sued-FRAUD-Florida-couple-paid-Titanic.html

As long as the Titan sub wasn't crushed, a tow truck like sub could have pulled it up. Unfortunately, they didn't see any reason to have a support sub ready, just incase anything went wrong.

https://www.dailymail.co.uk/health/article-12218031/Expert-reveals-happen-five-tourists-missing-Titanic-sub-hull-cracked.html

https://www.dailymail.co.uk/sciencetech/article-12213781/Titanic-Shocking-graphic-reveals-just-deep-missing-sub-be.html?ico=related-replace

https://nypost.com/2023/06/21/james-cameron-was-on-a-titanic-submersible-dive-during-9-11