ATK – Spaceflight Now

February 24, 2026

Breaking News

[ February 21, 2026 ] SpaceX’s most-flown Falcon booster launches on record 33rd flight Falcon 9
[ February 21, 2026 ] NASA’s Artemis 2 rocket hit by new problem expected to bump moonshot into early April Artemis
[ February 20, 2026 ] Falcon 9 launches 25 Starlink satellites after weather delays Falcon 9
[ February 20, 2026 ] Moon mission fueling test concludes with no major problems Artemis
[ February 19, 2026 ] Independent report sharply criticizes NASA management, Boeing for troubled Starliner flight Mission Reports

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.

Antares rocket’s enhanced upper stage debuts Tuesday

October 27, 2014 Stephen Clark

An upgraded Castor 30XL upper stage motor will provide the Antares rocket with an extra boost during launch with supplies and experiments for the International Space Station, a critical upgrade Orbital Sciences says will ensure it meets contractual cargo delivery requirements.