I don't think expanding on an already unbalanced and wierd system for sorting costume like the Detachments is such a great idea. Sub units might be the way to go but could we not come up with a better name then using "Squads" agian, like for the third time (Garrisons have Squads and the JRS sub-groups are Squadrons) Call them Regiments, Corps, Battalions or Divisions, or any number of other great unit names or all of them depending on the Detachment they fall under.
I love the 501st and Starwars and Cosplaying but I honeslty feel like we are stuck in an unwieldy system that those who came up with it could never have imagined it would be used as it is today. We could do so much better as a Fan organization then what we have.