A sleuthing enthusiast says he found the US military’s X-37B spaceplane

It turns out some of the informed speculation about the US military's latest X-37B spaceplane mission was pretty much spot-on. When the semi-classified winged spacecraft launched on December 28, it flew into orbit on top of a SpaceX Falcon Heavy rocket, which is much larger than the Atlas V and Falcon 9 rockets used to launch the X-37B on its previous missions. More

(Source: Ars Technica - Feb 10)