But can it ever hope to compete with SpaceX? Like the Falcon 9, Adeline is only partially reusable -- but the way it's meant to work is quite creative. While most of the rocket's fuselage goes unrecovered after launch, the bottom portion of the rocket housing the main engine (most expensive part and arguably the most important) is designed to safely return back home. The design calls for the first stage of the rocket to come equipped with wings and propellers, allowing it to travel back to Earth like a small plane and land gently on a runway. The key...