John Martin (TOS Era)

Commander John Thomas Martin is a Human male who lives in the 23rd century and services the Federation, Starfleet as First Officer onboard the Federation Starship USS Explorer (NCC-77198). (Star Trek: Explorer)

Chronology

 * 2233: John Martin is born
 * 2254: Martin enters Starfleet Academy
 * 2258: Marttin graduates Starfleet Academy
 * 2260: Martin was posted to the USS Intrepid (NCC-1631) as first officer
 * 2266: Martin was reassigned to the USS Republic (NCC-1371) and promoted to the rank of Commander
 * 22xx: Earth assignment at Starfleet Command
 * 2290: Martin is posted to the newly refitted USS Explorer (NCC-77198) under the command of Captain Marcia Taylor as first officer