Steve, I seem to remember back in SA that you could make Task Forces subordinate to other Task Forces, like you can in Aurora with TG's, this would be nice for creating more complex command structures if it's not difficult ( I'm thinking top TF named 1st Fleet, with subordinate tf's 1st, 2nd & 3rd divisions, each made up of severa Task Groups of ships, as in BATRON1, BATRON2, CRURON1, CRURON 2 all being part of 1st Division 1st Fleet)
not sure if i've explained this well, I just have a more complex command structure in mind than is currently possible with Aurora