| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Star Marine) with the new title Marine. |
| 1 |
22 |
Advanced training in a specialist field |
| 1 |
22 |
Promoted to Marine (Star Marine) rank 1 with the new title Lance Corporal. |
| 2 |
22 |
Continued as Marine (Star Marine). |
| 2 |
25 |
A mission goes disastrously wrong due to Shelly Sherris's commander’s error or incompetence, but Shelly Sherris survive. |
| 2 |
25 |
Cover for the commander and gain an Ally. |
| 2 |
26 |
Promoted to Marine (Star Marine) rank 2 with the new title Corporal. |
| 3 |
26 |
Continued as Marine (Star Marine). |
| 3 |
28 |
A mission goes wrong and Shelly Sherris is stranded behind enemy lines. Ejected from the service. |
| 3 |
30 |
Promoted to Marine (Star Marine) rank 3 with the new title Lance Sergeant. |
| 4 |
30 |
Attempted to change assignments. |
| 4 |
30 |
Failed to qualify for Ground Assault (Marine). |
| 4 |
30 |
Continued as Marine (Star Marine). |
| 4 |
31 |
Assigned to an assault on an enemy fortress. |
| 4 |
34 |
Attempt at commissioned failed. |
| 4 |
34 |
Promoted to Marine (Star Marine) rank 4 with the new title Sergeant. |
| 5 |
34 |
Continued as Marine (Star Marine). |
| 5 |
36 |
Assigned to the security staff of a space station. |
| 5 |
38 |
Attempt at commissioned failed. |
| 5 |
38 |
Promoted to Marine (Star Marine) rank 5 with the new title Gunnery Sergeant. |