ATK – Spaceflight Now

September 15, 2026

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[ September 15, 2026 ] Avio launches pair of climate monitoring European spacecraft to study plants, oceans and atmospheric changes News
[ September 13, 2026 ] SpaceX launches 700th Falcon rocket, carries final 3 O3b mPOWER satellites to orbit for SES Falcon 9
[ September 9, 2026 ] SpaceX launches classified payload for the U.S. Space Force Falcon 9
[ September 5, 2026 ] SpaceX launches 80th Starlink mission of 2026 Falcon 9
[ September 1, 2026 ] SpaceX launches Starlink mission from West Coast Falcon 9

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.