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One year after Antares failure, Orbital ATK nears return to flight
A year after a launch mishap left Orbital ATK's Cygnus supply ship without a ride to the International Space Station, company officials say the cargo delivery system is on the verge of a comeback, thanks to deals with United Launch Alliance and a decision to redesign its Antares booster with new rocket engines.
Station astronauts complete tedious spacewalk
Space station commander Scott Kelly and Kjell Lindgren carried out a tedious seven-hour 16-minute spacewalk Wednesday, installing cables needed for a new docking mechanism, mounting insulation panels on a physics experiment to improve cooling and lubricating the latching mechanism of the station's robot arm.
Station astronauts gearing up for spacewalk Wednesday
Expedition 45 commander Scott Kelly and flight engineer Kjell Lindgren have switched their spacesuits to battery power to begin planned six-and-a-half-hour spacewalk Wednesday outside the International Space Station.
Bags are packed inside Cygnus commercial cargo freighter
The first installment of supplies and provisions tagged for launch on Orbital ATK's next commercial supply run to the International Space Station, the company's first since a catastrophic launch failure last year, has been loaded into the Cygnus spacecraft's pressurized cargo section.
VideoOrbcomm first in Falcon 9’s return-to-flight launch queue
Going with a philosophy that favors incremental testing of an upgraded version of the Falcon 9 booster, SpaceX officials said Friday that eleven mini-satellites for Orbcomm's data relay business will fly on the company's first mission since a launch failure in June.
Cygnus service module arrives in Florida for station flight
The power and propulsion section of Orbital ATK's next Cygnus supply ship, featuring new solar panel and fuel tank designs, arrived at NASA's Kennedy Space Center in Florida on Wednesday to be joined with a cargo module for a Dec. 3 launch to the International Space Station.
Sierra Nevada on watch for critical cargo award
A prototype of Sierra Nevada's Dream Chaser space plane is nearing shipment to California's Mojave Desert to resume runway landing tests as officials wait for word from NASA whether the company will win a competition to ferry cargo to the International Space Station.
Q&A with Mark Sirangelo, leader of Sierra Nevada Space Systems
Sierra Nevada Corp. has business activity across a spectrum of programs, from Orbcomm communications satellites to parts on the New Horizons mission to Pluto, but all eyes are now on the company's Dream Chaser spacecraft. Sierra Nevada's Mark Sirangelo met with reporters at the 2015 International Symposium for Personal and Commercial Spaceflight.
Q&A with Frank Culbertson, president of Orbital ATK’s space systems group
Frank Culbertson, a former shuttle and station astronaut and now head of Orbital ATK's space systems group, spoke with Spaceflight Now's Stephen Clark on the sidelines of the 2015 International Symposium for Personal and Commercial Spaceflight.
Cygnus supply ship takes weather satellite’s slot in Atlas manifest
Orbital ATK plans to launch its next two commercial resupply missions to the International Space Station on Atlas 5 rockets, grabbing a launch slot in March after a next-generation U.S. weather satellite was delayed, industry officials said.