Northrop Grumman, S.S. Katherine Johnson ready for launch to Station – NASASpaceFlight.com
Northrop Grumman will kick off their 2021 launch manifest with the flight of an Antares rocket delivering the Cygnus spacecraft to the International Space Station from Pad 0A at the Mid-Atlantic Regional Spaceport (MARS) on Wallops Island, Virginia at 12:36 EST (17:36 UTC) Saturday, 20 February 2021.
The spacecraft is expected to rendezvous with the Station in two days, where it will be berthed to the Unity module using Canadarm2. This uncrewed resupply mission will deliver 3,729 kg to the ISS, consisting of CubeSats, science experiments, Station equipment, and crew supplies.
The NG-15 mission
Production for this particular flight began a little more than two years ago with the start of long-lead material purchases and integrated components needed for the Antares rocket and Cygnus…