Those exoskeleton are much stronger than what I first Imagined.
It's almost illogical how much trouble they had with the gunprod when you see something that small proving it can throw someone so easily.
While re-watching a bit of the last 2 episodes I think I put some puzzle piece together in my mind.
Like: Misaki must be brainwashed to some extend. Her personality just changed too much. If she isn't then she is a double agent and that would rise the question of who could she work for.