NASA has been discussing potential plans with SpaceX to leave two seats empty on an upcoming Crew Dragon launch for NASA astronauts Butch Wilmore and Sunita Williams, who became the first crew to fly Boeing’s Starliner capsule.NASA has been discussing potential plans with SpaceX to leave two seats empty on an upcoming Crew Dragon launch for NASA astronauts Butch Wilmore and Sunita Williams, who became the first crew to fly Boeing’s Starliner capsule.