On the day that Jane was born in 2233, her mother served as the captain of the USS Kelvin for eight minutes before her death. (TOS - Parallel Lives comic: "Part 1") In the 2250s, Kirk attended Starfleet Academy but did not graduate, instead being promoted to captain in record time in 2258. (TOS - Parallel Lives comic: "Part 2") Prior to 2261, the Enterprise, under Kirk's command, visited Nibiru and embarked on a five-year mission of exploration.