They become denizens of the asteroid belt that's found between Mars and Jupiter until they fall out of orbit, possibly as a result of a collision with another object.
Holladay, meanwhile, turns collision detection on its head to funnel an object into place, such as balancing a delicate object with a free arm before setting that object down.
Though creaky and aging, he can still be categorized as an immovable object, and the last section of the film expands into a crunching collision between law and order.
But the first officer, still believing that the object in the sky above him was the cargo plane, initiated a dive to avoid the perceived imminent collision -- sending the jetliner toward the Air Force plane.