Very similar event from a few years ago. It’s probably already been discussed on here.
The captain of the Porter was relieved of command three weeks after the 2012 collision, but details of the sequence of events leading up to it were never released to the public AFIK. A year after the fact, they released the bridge audio, but only in response to a FOIA request. People were able to piece together what happened from that. The Fitzgerald accident is probably a lot more complex.
Anyone that thinks there will be a quick investigation or ANY disclosure of what happened by the US Navy is dreaming. They will delay and hide everything possible from the public. This seems pretty routine with them in other accidents. I don't doubt they will act internally to discuss the details to prevent this from happening again, but I doubt we'll ever see any uncomfortable details from the Navy.
A FOIA request might produce a few scraps of information a year from now, but I could see them refusing any requests since the accident resulted in the deaths of sailors.
I'm not begrudging the US Navy their secrecy, but I have to shake my head in disbelief when people on social media insist that everyone simply wait for the 'results of the official investigation' that will never be made public. Maybe we'll hear something from the Japanese Coast Guard, but I won't keep my hopes up for that, either.