On the journey back to the lander , Lope notices Hallett 's condition deteriorating , which alarms him .
Lope leads the excursion on the planet 's surface to the crashed Engineer ship .
On the journey back to the lander , Lope notices Hallett 's condition deteriorating , which alarms Lope .
Lope leads the excursion on the planet 's surface to the crashed Engineer ship .