On December 13,2018, the Virgin Galactic rocketplane VSS Unity was carried into the sky literally under the wing of its mothership VMS Eve. When they reached a height of over 13 kilometers, or Unity was dropped. After a few seconds its rocket motors kicked in,accelerating the spaceplane to nearly three times the speed of sound, putting it on a parabolic path that took it soaring to a height above soil of over 82 kilometers.
Source: blastr.com