Before revision: Cygnus flights Cargo being loaded as part of Cygnus NG-15 in 2021 Cygnus NG-12: 2 November 2019 Cygnus NG-13: 15 February 2020 Cygnus NG-14: 3 October 2020 Cygnus NG-15: 20 February 2021 Cygnus NG-16: 10 August 2021 Cygnus NG-17: 19 February 2022 As a result Russia's invasion of Ukraine, Northrop Grumman was left with only two remaining Antares 230+ launch vehicles .Cygnus NG-18 : 7 November 2022Cygnus NG-19 : 1 August 2023
After revision: Cygnus flights Cargo being loaded as part of Cygnus NG-15 in 2021 Cygnus NG-12: 2 November 2019 Cygnus NG-13: 15 February 2020 Cygnus NG-14: 3 October 2020 Cygnus NG-15: 20 February 2021 Cygnus NG-16: 10 August 2021 Cygnus NG-17: 19 February 2022 As a result Russia's invasion of Ukraine, Northrop Grumman was left with only two remaining Antares 230+ launch vehicles which were used for the NG-18 and NG-19 missions.Cygnus NG-18: 7 November 2022Cygnus NG-19: 1 August 2023