x-37b spacecraft

The mysterious American X-37B aircraft returns to space
The Pentagon for the first time reveals quite a number of upcoming missions of the spacecraft that have performed top secret missions in the universe.
The mysterious spacecraft X-37B has returned to Earth
Last night October 17 (US time), the mysterious American spacecraft X-37B returned to Earth and landed safely in California after nearly 2 years.
American mini spacecraft to attack from space?
The X-37B spacecraft was launched into the third space on 12/12/2012. The US Air Force announced that the X-37B was developed to