Watch a live view of the Atlas 5 launch pad with countdown audio (members only)

As the internal investigation continues into the first stage performance trouble on the last Atlas 5 rocket launch, the next mission on the manifest has slipped to May 27.

NASA simulated an in-flight launch abort of an Orion crew capsule high above Cape Canaveral on Tuesday, in a major test of the safety system that would whisk astronauts on future moon missions away from a failing rocket.

Four days out from arriving at the solar system’s biggest planet, NASA’s Juno spacecraft received a final uplink of commands Thursday governing the robotic probe’s high-velocity braking maneuver Monday to steer into orbit around Jupiter.