Topo said:
I don’t think that the insigna is canon. A fleet or vice admiral would probably be in charge of the construction. A grand admiral would probably we more concerned about the war at hand, and leading the empire’s naval ships. If that makes sense.
For now we don’t know what the guy is doing in the movie. All we can say is that he’s got a gun, a nice outfit, and he’s walking on a battlefield. He could be the Captain Phasma of R1…