x37-b

The US Air Force is about to launch the fourth X-37B flight, the unmanned spacecraft to join a secret program of this force.

The US Air Force on May 20 launched the X-37B spacecraft into orbit, carrying out the fourth mission in its secret program.

The US Air Force X-37B unmanned spacecraft landed in central California on October 17, ending a secret mission that spanned nearly two years in orbit.

Early this morning (Vietnam time), the US successfully launched Atlas V rocket launcher from Cape Canaveral, Florida state carrying X-37B unmanned aerial ship, a secret,

On the evening of June 16 (US time), the US Air Force's mysterious mini-spacecraft landed at Vandenberg base in California, ending a 469-day flight in orbit. According to ABC

A US Air Force miniature experimental spacecraft took off from Florida on March 5 in a secret mission that could last nine months.

The Pentagon's X-37B drones have broken the record for space flight with 469 days of continuous operation in orbit.

A US Air Force top secret drones have quietly 'stayed' in space for a year, the last three days - but no one knows what its purpose and mission is.

If the experiment is successful, Washington will make other countries understand in the race for aerospace technology, Americans are still taking the upper hand ...