Before revision: Cygnus NG-20: 30 January 2024 Cygnus NG-21: 2024 (planned) Cygnus NG-22: 2024 (planned) Northrop Grumman plans to launch further missions using the new Antares 300 series (Antares 330) rockets with booster stage and engines developed by Firefly Aerospace.
After revision: Cygnus NG-20: 30 January Early 20253 August Cygnus NG-21: 2024 (planned) Cygnus NG-22: 2024 (planned) Northrop Grumman plans to launch further missions using the new Antares 300 series (Antares 330) rockets with booster stage and engines developed by Firefly Aerospace.