| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Star Marine) with the new title Marine. |
| 1 |
20 |
Trapped behind enemy lines. |
| 1 |
22 |
Attempt at commissioned failed. |
| 2 |
22 |
Continued as Marine (Star Marine). |
| 2 |
24 |
Assigned to the security staff of a space station. |
| 2 |
26 |
Promoted to Marine (Star Marine) rank 1 with the new title Lance Corporal. |
| 3 |
26 |
Attempted to change assignments. |
| 3 |
26 |
Switched to Marine (Ground Assault) with previous rank. |
| 3 |
27 |
A mission goes disastrously wrong due to Sam Gardiner's commander’s error or incompetence, but Sam Gardiner survive. |
| 3 |
27 |
Cover for the commander and gain an Ally. |
| 3 |
30 |
Promoted to Marine (Ground Assault) rank 2 with the new title Corporal. |
| 4 |
30 |
Continued as Marine (Ground Assault). |
| 4 |
34 |
A mission goes wrong and Sam Gardiner is stranded behind enemy lines. Ejected from the service. |