NASA will not undock the unmanned Boeing Starliner capsule until Sept. 6, the space agency said Thursday after completing a review.
Last week, the space agency announced that the two astronauts who flew to the International Space Station in June on the Starliner will return to Earth in a SpaceX vehicle early next year.
Problems with Starliner's propulsion system were deemed too risky for a crewed return after the capsule experienced a number of malfunctions in the first 24 hours of its flight to the ISS.
The journey back to Earth for the Starliner is expected to take about six hours, from undocking to landing at White Sands Space Harbor in New Mexico, NASA said in a blog post.
Ground crews remotely guide the spacecraft through the necessary maneuvers for safe undocking, re-entry into the atmosphere and parachute landing in the southwestern United States.
Starliner has previously successfully completed an unmanned landing during two orbital flight tests, the agency said.
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