Rockets
X-37: Speculation, Secrets and Espionage?
The Boeing X-37, also called the Orbital Test Vehicle (OTV), is an unmanned American spacecraft. Its first orbital mission was on 22 April 2010 returning back to Earth on 3 December 2010. A second X-37 was launched on 5 March 2011 and has not yet returned to Earth at time Read more…