Apparently this thing can fly 500 miles high which is space, maybe it's related to that? http://www.space.com/25275-x37b-space-plane.html http://www.space.com/

Apparently this thing can fly 500 miles high which is space, maybe it's related to that? http://www.space.com/25275-x37b-space-plane.html http://www.space.com/25275-x37b-space-plane.html http://en.wikipedia.org/wiki/Outer_space#Boundary http://en.wikipedia.org/wiki/Outer_space#Boundary