| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Star Marine) with the new title Marine. |
| 1 |
20 |
On the front lines of a planetary assault and occupation. |
| 1 |
22 |
Promoted to Marine (Star Marine) rank 1 with the new title Lance Corporal. |
| 2 |
22 |
Continued as Marine (Star Marine). |
| 2 |
25 |
Trapped behind enemy lines. |
| 3 |
26 |
Continued as Marine (Star Marine). |
| 3 |
28 |
Advanced training in a specialist field |
| 3 |
30 |
Attempt at commissioned failed. |
| 3 |
30 |
Promoted to Marine (Star Marine) rank 2 with the new title Corporal. |
| 4 |
30 |
Attempted to change assignments. |
| 4 |
30 |
Switched to Marine (Marine Support) with previous rank. |
| 4 |
34 |
Assigned to an assault on an enemy fortress. |
| 4 |
34 |
Attempt at commissioned failed. |
| 4 |
34 |
Promoted to Marine (Marine Support) rank 3 with the new title Lance Sergeant. |
| 5 |
34 |
Attempted to change assignments. |
| 5 |
34 |
Failed to qualify for Ground Assault (Marine). |
| 5 |
34 |
Continued as Marine (Marine Support). |
| 5 |
38 |
Display heroism in battle. |
| 5 |
38 |
Commissioned in Marine (Marine Support) with the new title Lieutenant. |
| 5 |
38 |
Promoted to Marine (Marine Support) officer rank 2 with the new title Captain. |
| 6 |
38 |
Continued as Marine (Marine Support). |
| 6 |
42 |
Commanding officer takes an interest in Elda Brook's career. |
| 6 |
42 |
Promoted to Marine (Marine Support) officer rank 3 with the new title Force Commander. |
| 7 |
42 |
Continued as Marine (Marine Support). |
| 7 |
45 |
On the front lines of a planetary assault and occupation. |
| 7 |
46 |
Promoted to Marine (Marine Support) officer rank 4 with the new title Lieutenant Colonel. |