The unmanned space craft of the U.S. Air force has completed its classified mission and will be returning to earth after a stay of more than seven months in Earth's orbit, the Air Force officials told in a brief statement released on 30th November.
Landing will be at Vandenberg Air Force Base, California and is expected to take place any time between Friday and Monday, depending on the weather and other technical considerations.
Spacecraft is an Air Force Project
The space plane called X-37B was launched on April, 22. Since then it has been orbiting the earth executing its secret mission.
3rd Space Experimentation Squadron of the Air Force Space Command is operating the flight.