Boeing Orbital Flight Test Prelaunch

NASA astronauts Nicole Mann, left, and Michael Fincke, right, and Boeing astronaut Chris Ferguson, center, who are assigned to fly on Boeing’s Crew Flight Test, are seen during a press conference ahead of the Boeing Orbital Flight Test mission, Thursday, Dec. 19, 2019 at NASA’s Kennedy Space Center in Florida. The uncrewed Orbital Flight Test will be Starliner’s maiden mission to the International Space Station for NASA's Commercial Crew Program. The mission, currently targeted for a 6:36 a.m. EST launch on Dec. 20, will serve as an end-to-end test of the system's capabilities. Photo Credit: (NASA/Joel Kowsky)

NASA astronauts Nicole Mann, left, and Michael Fincke, right, and Boeing astronaut Chris Ferguson, center, who are assigned to fly on Boeing’s Crew Flight Test, are seen during a press conference ahead of the Boeing Orbital Flight Test mission, Thursday, Dec. 19, 2019 at NASA’s Kennedy Space Center in Florida. The uncrewed Orbital Flight Test will be Starliner’s maiden mission to the International Space Station for NASA's Commercial Crew Program. The mission, currently targeted for a 6:36 a.m. EST launch on Dec. 20, will serve as an end-to-end test of the system's capabilities. Photo Credit: (NASA/Joel Kowsky)