The National Transportation Safety Board has issued its report on a March 26, 2023, incident in which, at about 0500 local time, the towing vessel Uncle Blue began flooding when towing one empty barge on the Lower Mississippi River in Ascension Parish, La. The six crewmembers aboard attempted to pump out the vessel but were unsuccessful, and they evacuated to the barge. A Good Samaritan vessel pushed the towboat and barge to the right descending bank, where the Uncle Blue partially sank. There...