| 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 |
26 |
Refused to take part in a black ops mission that goes against the conscience and ejected from the service. |
| 2 |
26 |
Promoted to Marine (Star Marine) rank 2 with the new title Corporal. |
| 3 |
26 |
Continued as Marine (Star Marine). |
| 3 |
30 |
Commanding officer takes an interest in Foster Welter's career. |
| 3 |
30 |
Promoted to Marine (Star Marine) rank 3 with the new title Lance Sergeant. |
| 4 |
30 |
Continued as Marine (Star Marine). |
| 4 |
31 |
Assigned to the security staff of a space station. |
| 4 |
34 |
Promoted to Marine (Star Marine) rank 4 with the new title Sergeant. |