Air Force X-37B space plane finally set to land after secret two year mission?
Is the US Air Force's X-37B space plane finally set to land after secret two year mission?
- X-37B drone blasted off on a mysterious mission on May 20, 2015
- Theories range from it being a space bomber to destroying satellites
- The flight is testing a system that makes satellites easy to maneuver
- This is probably a small part of the vehicle's true mission, say experts
One of the most mysterious craft ever to be flown by the US military has been in orbit for almost two years.
The X-37B space plane, an experimental program run by the Air Force, launched atop a United Launch Alliance Atlas V rocket on May 20, 2015.
Now, experts claim it may be about to finally return to Earth - almost two years later.