Northrop Grumman’s Antares rocket will deliver a Cygnus supply ship into orbit Thursday to begin a pursuit of the International Space Station.

This media briefing comes as NASA is potentially within a week of making its final decision on how to bring the Starliner CFT crew home. The agency is debating on if Starliner is determined to be safe or if NASA astronauts Barry “Butch” Wilmroe and Sunita “Sunni” Williams will return on a SpaceX Crew Dragon spacecraft.

Two U.S.-built communications satellites rode the 100th European-made Ariane 5 rocket into orbit Tuesday from the jungle of French Guiana. Liftoff occurred at 2238 GMT (6:38 p.m. EDT) after a 45-minute delay caused by a range technical problem.