of thrust on the small rocket and snapping it upward with 70 g. of acceleration. It will shoot through the filmy balloon as if it were not there. The first stage fuel will be burned in 1.5 sec., ...

From anyone else, it would sound ridiculous: Elon Musk says SpaceX is going to try to land a rocket stage with … wait for it … a "giant party balloon." Even Musk, SpaceX's CEO and chief ...