A literal human shield in this case - though Miles will offer little protection if a plasma arc does hit them square in the back. More likely it will cut through both of them and come out the other side. Miles is just more likely to get bisected by it.

He clings as best he can given the bumpy ride. Teeth chattering a bit from all the motion.

"Try that hallway," he says, ducking his head. "I think I saw an exit."