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Sunday, Dec 11, 2016


Orbital ATK Updates Progress on International Space Station Cargo Delivery Program for NASA

Orbital ATK, Inc. a global leader in aerospace and defense technologies, is making excellent progress in resuming its cargo delivery service to the International Space Station (ISS) for NASA under the Commercial Resupply Services (CRS) contract, the company stated today. Orbital ATK is on track to launch its next CRS mission late this year and is moving forward with integration of a new first stage propulsion system into the Antares launch vehicle in preparation for multiple CRS missions in 2016.

“In 2016, we will carry out at least three more CRS missions: two (or possibly three) will be launched by Antares rockets, the first of which is on a path to be ready to launch early in the year, and one more will be launched aboard Atlas V to support NASA’s need for additional cargo,” Culbertson added. “We have not finalized the exact sequence of these missions yet, but the plan capitalizes on the flexibility of Cygnus to launch on either vehicle and provides better schedule assurance for our customer.”


The Cygnus spacecraft to be used for upcoming CRS missions features an extended pressurized cargo module (PCM) that allows it to deliver larger volumes of cargo to the station than in previous missions. The spacecraft will also use the latest in lightweight space-qualified power system technology with the addition of the company’s Ultraflex solar arrays.

(KSC) earlier this week where it will be integrated with the Cygnus spacecraft’s service module, which will arrive in early October. The service module, which houses the spacecraft’s avionics, electrical, propulsion and communications systems, is currently completing final testing at the company’s

satellite manufacturing facility. Final assembly, cargo loading and fueling of the Cygnus spacecraft will take place at KSC prior to its integration with the Atlas V rocket for an early December launch.

Orbital ATK’s Antares program remains on schedule to commence flight operations from NASA’s Wallops Flight Facility in early 2016. Following the completion of certification and acceptance testing of the RD-181, the first dual-engine ship-set arrived at the Antares integration facilities at

“The RD-181 engine provides extra thrust and higher specific impulse, significantly increasing the payload capacity of the Antares rocket. This state-of-the-art propulsion system is a direct adaptation of the RD-191 engine, which completed an extensive qualification and certification program in 2013, accumulating more than 37,000 seconds of total run time,” said Mr.

Antares program engineers and technicians recently integrated the two RD-181 engines with a newly designed and built thrust frame adapter and modified first stage airframe. Later this month, new propellant feed lines and first stage avionics systems will be delivered to Wallops to support full vehicle integration.

plans to conduct a “hot fire” test on the launch pad late this year or in early 2016 to verify the vehicle’s operational performance and compatibility of the MARS launch complex.

“With the delivery of the first set of flight engines now accomplished, and the second ship-set expected to arrive in the fall, Antares remains solidly on track to resume flights early in 2016. In fact, within the next couple of weeks all the hardware for the next Antares vehicle will be at our Wallops final assembly facility, with equipment for several additional rockets following a few months later,” added Lehr.

are currently underway and are scheduled to be completed at the end of September. Working with MARS,

has installed an upgraded hydraulic system used to erect Antares vertically on the pad, which recently completed testing and certification. Other launch pad systems are on track to comfortably support the on-pad Antares “hot fire” test late this year or in early 2016.

Source : Orbital ATK, Inc. - view original press release

Published on ASDNews: Aug 12, 2015

 

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