| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Marine Support) with the new title Marine. |
| 1 |
21 |
On the front lines of a planetary assault and occupation. |
| 1 |
22 |
Commissioned in Marine (Marine Support) with the new title Lieutenant. |
| 2 |
22 |
Continued as Marine (Marine Support). |
| 2 |
26 |
A mission goes disastrously wrong due to Marcella Ross's commander’s error or incompetence, but Marcella Ross survive. |
| 2 |
26 |
Cover for the commander and gain an Ally. |
| 3 |
26 |
Continued as Marine (Marine Support). |
| 3 |
28 |
Commanding officer takes an interest in Marcella Ross's career. |
| 3 |
30 |
Promoted to Marine (Marine Support) 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 (Marine Support). |
| 4 |
31 |
Amnesia. |
| 4 |
34 |
Promoted to Marine (Marine Support) officer rank 3 with the new title Force Commander. |
| 5 |
34 |
Continued as Marine (Marine Support). |
| 5 |
35 |
Trapped behind enemy lines. |
| 5 |
38 |
Promoted to Marine (Marine Support) officer rank 4 with the new title Lieutenant Colonel. |