Antares 230 – Northrop Grumman Space Systems
- Family: Antares
- Length: 42.5 m
- Diameter: 3.9 m
- Launch Mass: 286 T
- Low Earth Orbit Capacity: 7800 kg
The Antares 230 was manufactured by Northrop Grumman Space Systems with the first launch on 2016-10-17. Antares 230 has 5 successful launches and 0 failed launches with a total of 5 launches. Antares known during early development as Taurus II, is an expendable launch system developed by Orbital Sciences Corporation (now part of Northrop Grumman Innovation Systems after Northrop Grumman acquired Orbital ATK) and the Yuzhnoye Design Bureau to launch the Cygnus spacecraft to the International Space Station as part of NASA’s COTS and CRS programs. Able to launch payloads heavier than 5,000 kg (11,000 lb) into low-Earth orbit, Antares is the largest rocket operated by Orbital ATK. Antares launches from the Mid-Atlantic Regional Spaceport and made its inaugural flight on April 21, 2013.