| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Marine Support) with the new title Marine. |
| 1 |
22 |
On the front lines of a planetary assault and occupation. |
| 1 |
22 |
Attempt at commissioned failed. |
| 2 |
22 |
Voluntarily left Marine Support |
| 2 |
22 |
Became a Drifter (Wanderer). |
| 2 |
25 |
Suffer from a life-threatening illness. |
| 3 |
25 |
Became a Scholar (Scientist). |
| 3 |
27 |
Refused to perform research that goes against Houston Graham's conscience. |
| 3 |
29 |
Promoted to Scholar (Scientist) rank 1. |
| 4 |
29 |
Continued as Scholar (Scientist). |
| 4 |
31 |
Win a prestigious prize for Houston Graham's work. |
| 4 |
33 |
Promoted to Scholar (Scientist) rank 2. |