Carol Valentine

Carol was the Security chief onboard the USS Xerxes (NCC-505) in the late 23rd century. 

Early life before Starfleet
Carol was born on February 23, 2242 human calendar time on the planet Earth in Sussex, England.

Chronology

 * 2242: Carol is born on the planet Earth in Sussex, England.
 * 2258: Carol enters Starfleet Academy
 * 2262: Carol graduates Starfleet Academy and promoted to Ensign, the first assignment is the USS Merrimac as a security officer.
 * 2265: Carol is promoted to Lieutenant junior grade and is assigned to the USS Mengen as a security officer.
 * 2272: Carol is promoted to full Lieutenant and to the USS Xerxes the Chief Security Officer.