Duty officer

In the 1970s, a UNIT officer served as duty officer at a UNIT radar station. She was called by a radar technician upon detecting what seemed to be a meteor storm. (TV: Spearhead from Space)

On the bridge of Hyperion III, a duty officer served under Commodore Travers in 2986. He sent down a stretcher party to the lounge to remove Hallett's body. (TV: Terror of the Vervoids)