Registration characters
No one has mentioned it yet, but it appears that the various in situ photos included both left and right side registration numbers. Comparison of all in situ regis# photos to date suggest there are differences between letters re bends/folds. The raising of the tail section also shows that many clues as to shape and event sequence observable underwater will be lost when raised, with the raised debris having been further deformed and then flattened during recovery into more of an origami puzzle.