| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Scout (Explorer). |
| 1 |
22 |
When dealing with an alien race, Yi Yaeael botch an opportunity to gather extra intelligence about them. |
| 1 |
22 |
Psychologically damaged by Yi Yaeael's time in the scouts. |
| 1 |
22 |
Promoted to Scout (Explorer) rank 1 with the new title Scout. |
| 2 |
22 |
Voluntarily left Explorer |
| 2 |
22 |
Failed to qualify for Field Researcher (Scholar). |
| 2 |
22 |
Became a Drifter (Wanderer). |
| 2 |
24 |
Drafted into Star Marine |
| 3 |
26 |
Became a Marine (Star Marine) with the new title Marine. |
| 3 |
29 |
On the front lines of a planetary assault and occupation. |
| 3 |
30 |
Commissioned in Marine (Star Marine) with the new title Lieutenant. |
| 3 |
30 |
Promoted to Marine (Star Marine) officer rank 2 with the new title Captain. |
| 4 |
30 |
Attempted to change assignments. |
| 4 |
30 |
Failed to qualify for Ground Assault (Marine). |
| 4 |
30 |
Continued as Marine (Star Marine). |
| 4 |
32 |
Commanding officer takes an interest in Yi Yaeael's career. |
| 4 |
34 |
Promoted to Marine (Star Marine) officer rank 3 with the new title Force Commander. |
| 5 |
34 |
Continued as Marine (Star Marine). |
| 5 |
37 |
On the front lines of a planetary assault and occupation. |
| 6 |
38 |
Continued as Marine (Star Marine). |
| 6 |
39 |
On the front lines of a planetary assault and occupation. |
| 6 |
42 |
Promoted to Marine (Star Marine) officer rank 4 with the new title Lieutenant Colonel. |