X-37B Orbital Test Vehicle
Boeing X-37B, the Orbital Test Vehicle (X-37B OTV), is an American unmanned robotic vertical-takeoff (with using of rocket), horizontal-landing spaceplane.[1] Boeing X-37B in fairing. [2]1 This spaceplane is designed to operate at altitudes of 200-750 km, it is able to quickly change the orbits, make evolutions, also it can perform the reconnaissance missions and…