Which NASA operational role holds the highest authority regarding mission and crew safety?

Answer

Commander

Within structured organizations like NASA, job titles reflect a clear hierarchy and specialized responsibilities, similar to naval or aviation traditions. The Commander is explicitly defined as the individual holding the highest authority. This person is ultimately responsible for the overall success and safety of the entire mission and all crew members aboard the spacecraft. This ultimate responsibility means that in emergency protocols, the Commander, often designated by 'CDR' on manifests, has the final say, regardless of the specific technical specialty of other crew members involved in the incident.

Which NASA operational role holds the highest authority regarding mission and crew safety?
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