 Throughout the run of the series, any "generic" nurses (nurse  characters who had a line or two, but were minor supporting  characters otherwise) were generally given the names "Nurse Able",  "Nurse Baker", or "Nurse Charlie". These names stem from the  phonetic alphabet used by the military and HAM operators at the  time. During the time period of the Korean War, the letters A, B,  and C in the phonetic alphabet were Able, Baker, and Charlie (since  then, the standard has been updated, and A and B are now Alpha and  Bravo). In later seasons, it became more common for a real character  name to be created, especially as several of the nurse actors became  semi