| 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. |
| 2 |
22 |
Continued as Marine (Marine Support). |
| 2 |
23 |
Assigned to the security staff of a space station. |
| 3 |
26 |
Continued as Marine (Marine Support). |
| 3 |
28 |
A mission goes wrong and Colleen Coleman is stranded behind enemy lines. Ejected from the service. |
| 4 |
30 |
Continued as Marine (Marine Support). |
| 4 |
31 |
Trapped behind enemy lines. |
| 5 |
34 |
Continued as Marine (Marine Support). |
| 5 |
38 |
On the front lines of a planetary assault and occupation. |
| 5 |
38 |
Promoted to Marine (Marine Support) rank 1 with the new title Lance Corporal. |