Nyota Uhura

2259: Assigned to the USS Enterprise as communication officer
2265: Transfer to the command division, promoted to chief Communications Officer
2266: Permanently returned to the operations division
2270s-2280s: Remained with the Enterprise during its refit & as a training vessel
2285: Requested an assignment to the Old City Station transporter room
2286-2293: Assigned to the USS Enterprise-A as chief Communications Officer
2301-2305: Assumed command of the USS Leondegrance
2317-2333: Commanded the Leondegrance when it became a training vessel, retired afterwards