PHOTOS: Virgin Galactic's Successful Test Launch Of Its Passenger Spaceship

Virgin Galactic's SpaceshipTwo takes off for a suborbital test flight on Dec. 13, 2018, in Mojave, Calif. Virgin Galactic marked a major milestone on Thursday as its spaceship made it to a peak height, or apogee, of 51.4 miles, after taking off attached to an airplane from Mojave, California, then firing its rocket motors to reach new heights. (Gene Blevins/AFP/Getty Images)

Virgin Galactic Launches Tourism Spaceship From Mojave Desert

Virgin Galactic's SpaceshipTwo takes off for a suborbital test flight on Dec. 13, 2018, in Mojave, Calif. Virgin Galactic marked a major milestone on Thursday as its spaceship made it to a peak height, or apogee, of 51.4 miles, after taking off attached to an airplane from Mojave, California, then firing its rocket motors to reach new heights. (Gene Blevins/AFP/Getty Images)

Virgin Galactic Launches Tourism Spaceship From Mojave Desert

Virgin Galactic's VSS Unity comes in for a landing after its suborbital test flight on Dec. 13, 2018, in Mojave, Calif. Virgin Galactic marked a major milestone on Thursday as its spaceship made it to a peak height, or apogee, of 51.4 miles, after taking off attached to an airplane from Mojave, California, then firing its rocket motors to reach new heights. (Gene Blevins/AFP/Getty Images)

Virgin Galactic Launches Tourism Spaceship From Mojave Desert

Virgin Galactic's SpaceshipTwo takes off for a suborbital test flight on Dec. 13, 2018, in Mojave, Calif. Virgin Galactic marked a major milestone on Thursday as its spaceship made it to a peak height, or apogee, of 51.4 miles, after taking off attached to an airplane from Mojave, California, then firing its rocket motors to reach new heights. (Gene Blevins/AFP/Getty Images)

Virgin Galactic Launches Tourism Spaceship From Mojave Desert

Virgin Galactic's SpaceshipTwo takes off for a suborbital test flight on Dec. 13, 2018, in Mojave, Calif. Virgin Galactic marked a major milestone on Thursday as its spaceship made it to a peak height, or apogee, of 51.4 miles, after taking off attached to an airplane from Mojave, California, then firing its rocket motors to reach new heights. (Gene Blevins/AFP/Getty Images)

Virgin Galactic Launches Tourism Spaceship From Mojave Desert

Virgin Galactic's SpaceshipTwo takes off for a suborbital test flight on Dec. 13, 2018, in Mojave, Calif. Virgin Galactic marked a major milestone on Thursday as its spaceship made it to a peak height, or apogee, of 51.4 miles, after taking off attached to an airplane from Mojave, California, then firing its rocket motors to reach new heights. (Gene Blevins/AFP/Getty Images)

Virgin Galactic Launches Tourism Spaceship From Mojave Desert

Virgin Galactic's VSS Unity comes in for a landing after its suborbital test flight on Dec. 13, 2018, in Mojave, Calif. Virgin Galactic marked a major milestone on Thursday as its spaceship made it to a peak height, or apogee, of 51.4 miles, after taking off attached to an airplane from Mojave, California, then firing its rocket motors to reach new heights. (Gene Blevins/AFP/Getty Images)