Virgin Orbit aces final test flight before first launch (photos)

The runway is now clear for Virgin Orbit’s first-ever launch.

On Sunday (April 12), the company completed the final test of its development program, sending its carrier plane, Cosmic Girl, aloft over the Southern California desert with an orbital rocket beneath its wing.

The captive-carry trial was “a complete, end-to-end launch rehearsal that exercises all of our ground operations; our mission control; all of our communications systems and protocols; all of our range assets; and our carrier aircraft’s takeoff, flyout, pull-up maneuver and return-to-base operations,” Virgin Orbit representatives wrote in a blog post Friday (April 10) that described the test.

Related: Gallery: Virgin Orbit’s LauncherOne rocket for satellite missions

Virgin Orbit has conducted captive-carry tests before, but the April 12 flight was a more elaborate dress rehearsal designed to pave the way for the company’s first launch. (Image credit: Virgin Orbit via Twitter)

Virgin Orbit has conducted captive-carry flights before, but the company filled the 70-foot-long (21 meters) LauncherOne rocket’s propellant tanks with water on those jaunts. On Sunday, the tanks contained cryogenic liquid nitrogen, a substance much more akin to the liquid oxygen they’ll hold during operational flights.

Sunday’s flight capped a successful development campaign that has also included a drop test last year, in which Cosmic Girl released a rocket that fell passively to Earth. So Virgin Orbit is now ready to take the next big step: a test launch. But it’s not clear at the moment when that mission will get off the ground.

Beautiful pull-up maneuver today! 12, 2020

“That’s a wrap on today’s rehearsal, the final major test before our upcoming launch demo. We’ll have more updates very soon — thanks for following along today!” Virgin Orbit wrote on Twitter after Sunday’s test flight.

Virgin Orbit is part of Richard Branson’s Virgin Group of companies, which also includes the space-tourism outfit Virgin Galactic

Like Virgin Galactic, Orbit employs an air-launch strategy: During operational flights, Cosmic Girl will drop LauncherOne at an altitude of about 35,000 feet (10,700 m), and the rocket will then make its own way to space. The company will specialize in launching relatively small satellites; LauncherOne is capable of delivering about 1,100 lbs. (500 kilograms) to a variety of destinations in low Earth orbit, company representatives have said.

Though Virgin Orbit doesn’t have any spaceflights under its belt, customers are already lining up. For example, the company recently secured a three-launch, $35 million deal with the United States Space Force.

Mike Wall is the author of “Out There” (Grand Central Publishing, 2018; illustrated by Karl Tate), a book about the search for alien life. Follow him on Twitter @michaeldwall. Follow us on Twitter @Spacedotcom or Facebook


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