NASA managers will conduct a final review Thursday before giving engineers clearance to proceed with launch.
Given the constantly changing positions of the Earth and moon, along with the rocket's ability to reach the correct trajectory, NASA must launch the Artemis 1 mission within specific"windows."
The SLS rocket is the key to the Artemis program and NASA managers and engineers want to make sure it works as planned before launching astronauts to the moon. The quick-disconnect was repaired back in the Vehicle Assembly Building and the SLS rocket was rolled back out to pad 39B on August 16 to ready the vehicle for launch.
John Honeycutt, manager of the SLS program at the Marshall Spaceflight Center, said engineers suspect a faulty sensor might be responsible for the readings from engine 3. Pressure measurements and other data indicate good cooling. A similar procedure was used during the rocket's test firing last year at the Stennis Space Center. In that case, the engines were properly cooled and started normally for a full-duration"green run."
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