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 top-secret plane landed 780 days in orbit
The most mysterious spacecraft of the US Air Force set a new record for the longest time in orbit in the fifth mission.Mysterious US aircraft set a record of time saved space
The US Air Force X-37B has just completed Saturday in orbit, making it the longest mission-carrying ship in a secret test program.Secret military aircraft of the US military in orbit 500 days
The US X-37B space plane landed 500 days on Earth's orbit but no one knew its secret mission.