Christine Vale

Christine J. Vale was a human female in Starfleet in the late 24th century. currently as the Tactical/Security Officer onboard USS Voyager under the Command of Captain Jason Tyson.

Early life
She was born on Izar, where her mother was a peace officer. Vale followed in her mother's footsteps, becoming a peace officer in Pibroch City on Izar. In 2366, during an investigation of a double homicide, she was assisted by Lieutenant JG Domenica Corsi, deputy chief of security of the USS Roosevelt (NCC-2573). Vale was inspired by Corsi's performance during the case to leave Izar and apply to Starfleet Academy. 

Starfleet
During her fourth year at the Academy, she and several of her classmates participating in a weekly poker game. Later, she would regularly participate in Texas Hold'em tournaments on the USS O'Keefe. 

Her first posting as an ensign was aboard the USS Al-Batani (NCC-42995). 

She transferred to the O'Keefe under Captain Tamppari and was promoted to lieutenant junior grade, serving on the ship's security detail under Commander Ma. Ma assigned Vale to do blood screenings on the O'Keefe crew while the ship was in orbit of Utopia Planitia, and was almost killed when she discovered that Lenmar, the lone Aquan member of the ship's crew, had been replaced by a Changeling.