Being an audiece with a high Aslan ambassor, I'd bet some Aslan were on the ceremonial guard in the Throne Room that day, but, not expecting truble, I guess they were easily killed by the Ilelish Guard that was already ready.
Again IIRC (till searching for my TD09) in the news reports given on it (as if a newspeople was narrating what he/she sees in live) it specifically talked about seeing Aslan Guard units fighting near the Imperial Palace...
Yes you're right it makes sense in the presence of the Aslan Ambassador.
It says they can be seen fighting on the ground below the Palace and being joined by mobile elements of the Sylean Guard.
Being an 11 regiment force, I'd say more about 2-3 divisional and 1 Corps HQs. But otherways I agree.
Correct, but I was referring to the example given of deploying a "Reinforced Jump Division".
There are lots of force size options ranging from a single battalion to a Corps sized formation or by assigning single regiment to regular army divisions. It makes sense though to plug in regular Imperial Army logistics elements rather than provide them as permanent parts of the Imperial Guard.