Dr. Callison was born in England and cmo of the USS Yorktown (NCC-208) during the Earth-Romulan War. She was only a few years older than Captain Bill Stiles. She was Chief Medical Officer on board the Yorktown and a person who abhors war and had never experienced the reality of war firsthand. She was Capt. Stiles confidant, bartender, and wishful lover (i.e. she was fond of Stiles and at times had a crush on him). Her value system and belief system were challenged as she comes fact-to-face with war and its many issues. Over time she changed her opinion and viewpoint. It is a growth for her, as she was used to the “quiet little practice in Cardiff,” as she was fond of saying. In actuality, Dr. Callison was once a well respected within Starfleet as a Medical Officer. She went through a tumul