Orb-4 – Spaceflight Now

Second launch deal inked between Atlas 5 rocket and Cygnus freighter

August 12, 2015 Justin Ray

Orbital ATK has ordered another Atlas 5 rocket to launch a second commercial Cygnus cargo craft for the International Space Station.

RD-181 engines prepared for shipment to U.S.

June 1, 2015 Stephen Clark

The first pair of RD-181 rocket engines set to launch on Orbital ATK’s redesigned Antares rocket are in the final stages of acceptance testing in Russia ahead of their export to the United States in early July, officials said.

Orbital ATK targets resumption of Antares launches in March 2016

February 20, 2015 Stephen Clark

Space station resupply missions launched from Virginia are set to resume in March 2016, after Orbital ATK integrates newly-built rocket engines into the Ukrainian-made booster stage of the company’s commercial Antares rocket and puts it through an on-pad test firing in January.

Orbital picks Atlas 5 to launch next space station cargo run

December 9, 2014 Stephen Clark

Orbital Sciences Corp. announced Tuesday it selected United Launch Alliance’s Atlas 5 rocket to launch a Cygnus space station resupply mission in late 2015 while the company redesigns its Antares booster with a new engine following a catastrophic failure seconds after liftoff in October.