Robert Cash

Bob was the Executive Officer of the USS Bellatrix (NCC-1832) in the late 23rd century. 

Early life before the Intrepid
Bob was born on August 13, 2230 human calendar time on the planet Earth in Philadelphia, Pennsylvania.

Chronology

 * 2230: Bob is born on the planet Earth in Philadelphia, Pennsylvania.
 * 2248: Bob enters Starfleet Academy.
 * 2252: Bob graduates Starfleet Academy and is promoted to Ensign, his first assignment is the USS Saladin as a navigator.
 * 2256: Bob is promoted to Lieutenant junior grade and assigned to the USS Potemkin as a navigator.
 * 2261: Bob is promoted full Lieutenant and assigned to the USS Hermes as the Chief Navigator.
 * 2265: Bob is promoted to Lieutenant Commander and assigned to the USS Kongo as the Chief Navigator.
 * 2270: Bob is promoted to full Commander and is assigned to the USS Bellatrix as the First Officer.