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Naming of Cygnus NG-18 & NG-19

Cygnus NG-18 and NG-19 were not even conceived of when Orbital/ATK was the owner, so how could they have been previously named as Cygnus OA-18 and OA-19? It's inconceivable. The original editor may kindly correct these mistakes or explain how he came by his reasoning. Abul Bakhtiar ( talk) 07:21, 17 May 2021 (UTC) reply