Orbital ATK Provides ISS Cargo Program Update

Orbital ATK Updates Progress on International Space Station Cargo Delivery Program for NASA, Orbital ATK
“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.”
“Three main CRS program efforts are simultaneously underway, including preparing the enhanced Cygnus spacecraft for the next ISS cargo mission (OA-4) to launch aboard an Atlas V rocket this December; upgrading the Antares rocket by integrating and testing the new RD-181 main engines with the modified first stage core structure; and working with the Mid-Atlantic Regional Spaceport (MARS) to complete repairs to the Pad 0A launch complex at Wallops Island to support the resumption of CRS missions from Wallops Island in early 2016.”
– United Launch Alliance to Launch Second Orbital ATK Cygnus Spacecraft to International Space Station on Cargo Mission