Doctor Terry P. Erdmann was a Starfleet crewmember during the Dominion War.
In 2374, files from the starship Cochrane and Starbase 129 reported Erdmann missing in action. Files from Repulse and Starbase 153 reported the doctor killed. (DS9:"In the Pale Moonlight")
- Erdmann's name appeared on the casualty list display seen on a computer readout in that episode. It is unclear whether the doctor served on this ship or was simply reported missing by it. Erdmann's namesake, Terry J. Erdmann, is the author of several Star Trek reference titles.