Josephine settles into the helicopter, seeing the girl opposite her show what must be signs of trauma. She sees one of the guards speak to her mother, and when told to brace, she does so immediately, given the grim behaviour of her co-passengers. She thanks God that her mother and the Baron escaped. When the bomb hits, she is ready, but the spin still disorients her.
After hearing the question, and Nadia's answer, she says "If he is on the way, then yes. Otherwise, we're risking us three for one person."
It would be a shame to virtually kill this other person, the risks are too great.