shutdown resulted in a velocity 15 ft/s lower than targeted, the vehicle safely achieved its intended orbit and completed the mission as planned. This incident brought on a maintenance practice change that required damaged oxidizer posts to be removed and replaced as opposed to being intentionally plugged, as was the practice beforehand.

Three days previously, in the first launch attempt, the launch was stopped at T-7 seconds, just prior to the SSMEs' ignition sequence, due to a senior console operator manually triggering a cutoff in