Mentioned briefly in the movie JAWS the USS Indianapolis a battle cruiser on a secret mission delivering atom bomb used on Hiroshima.
There is a book by Doug Stanton? In Harms Way but require 3 additional sources.
Looking for something very substantial, background on ship, info about secret mission, of course tragedy of being sunk what followed, rescue, why sinking was unnoticed, discipline the capt. received, survivors thoughts, importance of mission,