Y'all are overthinking this. First, Kaiden being
a Major is the same rank as Lt. Commander Shepard-- they are part of different branches of the military, I assume, since the designated titles differ. Major is O-4 in the Army/Marine Corps. LCDR is O-4 in the Navy. That's if they've derived their lore from the U.S. Military.
If Bioware derived it from Canada, their home country, it is still the same.
However here's the more important point, I'm assuming Shepard is once again the
Commanding Officer (CO) of the Normandy. That means he has ultimate command decision over that vessel- his rank is irrelevant. To be even more clear, on a ship, any officer more senior than the captain but not in the direct line of command is treated as an honored guest yet ignored when it comes to operational decisions.
The instances where this is not true is if the senior officer is in charge of the task force the captain's vessel is a part of or if the senior officer is Head of the Joint Chiefs of Command of the Armed Forces.
Finally, the senior officer may have shown up to relieve the Captain of his command in which case.. well... drama..
With all that said, if a more senior officer is aboard Shepard's vessel all honor and acoutrements would be given to the senior rank however command decision rests with the CO of that vessel. There is no way, as some have put it, to "pull rank." You'd have to relieve the CO of his command. More than likely, when this is done, the officer doing this doesn't "take command" but places the XO in charge. With that said, there is still politics, alas, in the military-- I'll just leave it at that.
Hope that helps.
Modifié par ChandlerL, 01 mars 2012 - 08:24 .