Comment by danso

I wonder if U.S. agencies (e.g. the Navy) had picked up the sound of the implosion days ago, back when the Titan was said to have lost communication, and knew all this time that the Titan had likely already been destroyed. But there's no incentive for them to publicly say anything, as it would hint to their underwater surveillance capabilities. And the "rescue effort" is good practice for their crews.

I watched most of the press conferences and don't think I heard anyone ask about it. But hearing loud noises across thousands of miles is certainly within the U.S. military's capability.