Crew capsule rockets toward space station with test dummy

NASA Administrator Jim Bridenstine, left, speaks at a news conference with astronauts, from second left, Doug Hurley, Bob Behnken, Mike Hopkins and Victor Glover before Saturday's Falcon 9 SpaceX Crew Demo-1 rocket launch at the Kennedy Space Center in Cape Canaveral, Fla. (AP Photo/John Raoux)

CAPE CANAVERAL, Fla. — America’s newest capsule for astronauts rocketed Saturday toward the International Space Station on a high-stakes test flight by SpaceX.