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An update on some of the closest competitors to SpaceX: Orbital Sciences Corp. of Dulles, Va., is in the cargo-only business, but it is closest to launch. It has a NASA contract for $1.9 billion for eight cargo flights to the space station once its rockets succeed. The early versions of its Antares rocket and Cygnus spaceship are already built, but the company is waiting for its launch pad to be finished at NASA's Wallops Flight Facility in Virginia. A stay-on-the-ground test is aimed for late July, a launch test in the fall and trial run to the space station around November, said spokesman Barron Beneski. Alliant Techsystems, headquartered in Arlington, Va., isn't funded by NASA's commercial space program, but has developed the Liberty rocket and passenger spacecraft system. Most of the rocketry and capsule systems have been tested. A key structural test of the rocket's second stage is scheduled for early July, with the first unmanned test flight in 2014. Tests with a private crew aboard would be in 2015 and it would be ready to ferry NASA material and astronauts in 2016, according to Kent Rominger, a former astronaut and Liberty's program manager. Boeing Co. of Chicago has nearly $113 million in NASA commercial crew funding and just finished its second parachute drop test in the Nevada desert. It has completed 46 of 52 milestones needed before flights, spokeswoman Susan Wells said. A landing airbag test is targeted for the fall. The Boeing space capsule, called a CST-100, will carry astronauts and cargo with three test launches aimed for 2015 and 2016, the last one with a crew on board.
The Sierra Nevada Corp. of Sparks, Nev., with nearly $106 million from NASA, is building a mini-shuttle crew vehicle called Dream Chaser with a first flight targeted for 2016 or possibly 2017. The company this year finished landing gear tests and has a full-scale ship for flight testing attached to a helicopter this fall in California. The most secretive of the companies, Blue Origin of Kent, Wash., is run by Amazon founder Jeff Bezos and has received $22 million from NASA. Its crew and cargo vehicle, called New Shepard, would also take tourists to suborbit. Its shell passed wind tunnel tests and its engines are now being test-fired at NASA's Stennis Space Center. ___ Online: NASA commercial program:
http://www.nasa.gov/offices/c3po/home/index.html
[Associated
Press;
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