LauncherOne attached to Cosmic Girl
Photo: Virgin Orbit

A Virgin Orbit plane took off with a rocket under its wing on Sunday, marking a successful test flight for the company that hopes to provide satellite-launching services.

Scientists and businesses are increasingly launching smaller satellites for research or communications purposes, but there are limited options for getting these smaller satellites into space. Virgin Group’s Virgin Orbit hopes to supply an “agile and affordable” launch service—rockets strapped to planes—for satellites weighing 300 to 500 kilograms (661 to 1,102 pounds).

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The test flight featured a 70-foot, two-stage LauncherOne rocket strapped to Cosmic Girl, a modified 747-400 plane. The 80-minute test flight took off and landed from Victorville, California, and included measurements and handling assessments, according to a press release. It was a captive-carry flight, meaning that the rocket didn’t come off of the plane.

“Everyone on the flight crew and all of our colleagues on the ground were extremely happy with the data we saw from the instruments on-board the aircraft, in the pylon, and on the rocket itself,” Virgin Orbit chief pilot Kelly Latimer said in a statement. “From my perspective in the cockpit, the vehicles handled incredibly well, and perfectly matched what we’ve trained for in the simulators.”

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Rocket and plane
Photo: Virgin Orbit

Launching to orbit via airplane has been around as an idea for decades, and the Northrup Grumman Pegasus rocket still launches from a L-1011 TriStar plane. But Virgin Orbit hopes to fit into an underserved niche. Other rockets are tailored for larger satellites; SpaceX CEO Elon Musk has previously stated that he didn’t feel air launch added enough benefit to be worthwhile. Smaller satellites previously had to fit their launches around larger ones, reported Quartz.

Companies like Virgin Orbit, Rocket Lab, and Vector Launch are tailored to launch these smaller satellites. Spaceflight Industries, a launch-arranging company, has already signed an agreement to partner with Virgin Orbit to  secure flights on LauncherOne for its customers.

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Virgin Orbit will continue running captive-carry tests of Cosmic Girl and the LauncherOne, including a test where it will drop but not launch the rocket, according to the release. It plans its first space shot for early 2019.

[Virgin Orbit]