| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Star Marine) with the new title Marine. |
| 1 |
19 |
Commanding officer takes an interest in Tara Chambers's career. |
| 1 |
22 |
Attempt at commissioned failed. |
| 1 |
22 |
Promoted to Marine (Star Marine) rank 1 with the new title Lance Corporal. |
| 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 2 with the new title Corporal. |
| 3 |
26 |
Continued as Marine (Star Marine). |
| 3 |
28 |
Assigned to an assault on an enemy fortress. |
| 3 |
30 |
Promoted to Marine (Star Marine) rank 3 with the new title Lance Sergeant. |
| 4 |
30 |
Continued as Marine (Star Marine). |
| 4 |
32 |
Assigned to an assault on an enemy fortress. |
| 4 |
34 |
Promoted to Marine (Star Marine) rank 4 with the new title Sergeant. |
| 5 |
34 |
Continued as Marine (Star Marine). |
| 5 |
36 |
A mission goes disastrously wrong due to Tara Chambers's commander’s error or incompetence, but Tara Chambers survive. |
| 5 |
36 |
Cover for the commander and gain an Ally. |
| 5 |
38 |
Promoted to Marine (Star Marine) rank 5 with the new title Gunnery Sergeant. |