Which would make sense as during VI they fire one from each tube in sequence. That is a good way of looking at it, I hadnt really thought of it that way as every assumption I had ever read was that the ship was now a training vessel. It makes more sense that they would be training a new crew of due to graduate Cadets and Trainees to crew a ship. That is echoed in ST2009 where the ships of Sol Fleet end up largely being staffed by Cadets. Which depending on how you consider the novel and cut lines from the original script would be as Captain of Excelsior.