Launch probability: 75%

This is the 17th flight of the Orbital ATK's uncrewed resupply spacecraft Cygnus and its 16th flight to the International Space Station under the Commercial Resupply Services contract with NASA. This Cygnus spacecraft is named after American astronaut and climate scientist Piers Sellers. Sellers was a part of three Space Shuttle missions tasked with assembly of the International Space Station.

Mission type: Resupply · Orbit: Low Earth Orbit

Rocket: Antares 230+ · Provider: Northrop Grumman Space Systems