NASA Administrator Jim Bridenstine, Kennedy Space Center Director Bob Cabana, and astronauts representing NASA and Boeing participate in a Boeing Orbital Flight Test media briefing near the countdown clock at the Florida spaceport on Dec. 19, 2019. From left to right are Cabana; NASA astronauts Josh Cassada, Suni Williams and Nicole Mann; Boeing astronaut Chris Ferguson; Bridenstine; NASA Deputy Administrator Jim Morhard; and NASA astronaut Mike Finke. Boeing’s CST-100 Starliner spacecraft will launch atop a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station. The uncrewed Orbital Flight Test will be the Starliner’s first flight to the International Space Station for NASA’s Commercial Crew Program.