| Term |
Age |
History |
|---|
| 1 |
18 |
Entered Military Academy(Naval Academy) |
| 1 |
19 |
Spent the college years partying. |
| 1 |
22 |
Dropped out of military academy. |
| 2 |
22 |
Became a Navy (Engineer/Gunner) with the new title Crewman. |
| 2 |
23 |
Norris Crogan is blamed for an accident that causes the death of several crew members. Norris Crogan's guilt drives Norris Crogan to excel. |
| 2 |
26 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |
| 3 |
26 |
Continued as Navy (Engineer/Gunner). |
| 3 |
28 |
Birth or Death involving a family member or close friend. |