SpaceX Cargo Ship, Reusable Rocket Test Now Set to Launch on Dec. 19

May 5, 2014 – 09:59 am
A close-up of the "hypersonic grid fins" on SpaceX's Falcon 9 rocket, which should help stabilize the booster during its return to Earth after launching on Dec. 19, 2014.
Credit: Elon Musk/SpaceX

SpaceX's next robotic cargo mission to the International Space Station — which will apparently feature a highly anticipated reusable-rocket test as well — has been pushed back by three days, to Dec. 19.

"The change of launch date allows SpaceX to take extra time to ensure they do everything possible on the ground to prepare for a successful launch, " NASA officials wrote in a mission update today (Dec. 11). "Both the Falcon 9 rocket and its Dragon spacecraft are in good health."

The launch will kick off SpaceX's fifth contracted cargo mission to the space station for NASA. (The California-based company holds a $1.6 billion contract with the space agency to make 12 such unmanned flights.)

Interest is especially high in this cargo flight, because SpaceX is apparently going to attempt something bold and dramatic with the Falcon 9: In October, the company's billionaire founder, Elon Musk, said that SpaceX will try to land the Falcon 9's first stage on a floating ocean platform during the rocket's next flight.

That next flight is the upcoming cargo mission.

The first-stage return is part of SpaceX's effort to develop fully and rapidly reusable rocket technology, which Musk has said could cut the cost of spaceflight by a factor of 100. SpaceX has already soft-landed a Falcon 9 first stage in the ocean on two other flights this year — but just on the water's surface, not on a floating platform.

SpaceX isn't the only company that holds a NASA cargo contract. Virginia-based Orbital Sciences signed a $1.9 billion deal to fly eight missions with its robotic Cygnus spacecraft and Antares rocket. Orbital completed the first two flights successfully, but the Antares exploded shortly after liftoff during the third mission in October. Orbital Sciences will launch its next cargo mission using a United Launch Alliance Atlas V rocket, company officials said this week.

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AUTHOR BIO

Mike Wall

Michael was a science writer for the Idaho National Laboratory and has been an intern at Wired.com, The Salinas Californian newspaper, and the SLAC National Accelerator Laboratory. He has also worked as a herpetologist and wildlife biologist. He has a Ph.D. in evolutionary biology from the University of Sydney, Australia, a bachelor's degree from the University of Arizona, and a graduate certificate in science writing from the University of California, Santa Cruz. To find out what his latest project is, you can follow Mike on Google+.

Source: www.space.com

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