Updating the Doctor’s Story “Please state the nature of the medical emergency.” Emergency Medical Hologram Mark I, “Caretaker” The Doctor is one of the characters that had the greatest amount of change in his character arc on Star Trek: Voyager. A holoprogram designed in the early 2370s as a tool for Federation starships, the EMH was designed to provide short-term assistance during emergencies. Although the EMH had the skills needed to replace a starship’s medical officer, it was never intended…