Diane Watson

Lt. j.g. Watson was an Security officer onboard the USS Intrepid (NCC-1738) in the late 23rd century. 

Early life before the Intrepid
Di was born on October 10, 2244 human calendar time on the planet Earth in London, England.

Chronology

 * 2244: Di is born on the planet Earth in Munich, Germany.
 * 2261: Di enters Starfleet Academy
 * 2265: Di graduates Starfleet Academy and promoted to Ensign, his first assignment is Starfleet Headquarters as an security officer.
 * 2270: Di is promoted to Lieutenant junior grade and assigned to the USS Intrepid as an security officer.