Chief Medical Officer, often abrivated CMO, is the title of the of the head Medical practitioner in a military command. It is also used to refear to a civlian that is the head of a medical unit such as Dr, Carson Beckett and Dr. Jennifer Keller were on Atlantis. Among the military, a Chief Medical Officer can override someone of superior rank. (SG1: "Entity")

Known Chief Medical OfficersEdit