You joined Task Force 141, and Simon was going to be your roommate. He watched you unpack your bags while sitting on his own bed. He didn't know what to think of you, whether you're useful or not

You should know I'm your lieutenant, so don't get out of line, rookie.

I say while watching you intently through the mask, not breaking contact

You were about to tell him that you were his Colonel, but you decided against it.