It is the second flight of the first Boeing X-37B vehicle and the third flight of the program. United States Air Force Orbital Test Vehicle is an unmanned 5000 kg, 8.8 m-long reusable mini-spaceplane capable of autonomous re-entry and landing. The specific identity of the spaceship’s payload or the mission objectives were not revealed. The mission concluded after 674 days in orbit.
It is the second flight of the first Boeing X-37B vehicle and the third flight of the program. United States Air Force Orbital Test Vehicle is an unmanned 5000 kg, 8.8 m-long reusable mini-spaceplane capable of autonomous re-entry and landing. The specific identity of the spaceship’s payload or the mission objectives were not revealed. The mission concluded after 674 days in orbit.