See those black fins moving on the surface of this Falcon 9R rocket? That's SpaceX's magic sauce. These steerable surfaces will allow used rocket stages to safely land back on Earth, ready to be refilled and launched again. This on-board video of their new 1-kilometer-high test show how they work.
Somebody had the good sense to strap an HD camera to a Falcon 9 Reusable rocket, SpaceX's most powerful Vertical Takeoff/Vertical Landing vehicle. Here's what that camera saw on Tuesday, at the company's latest test launch.