| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Entertainer (Journalist). |
| 1 |
21 |
Public opinion turns on Birtha Brook. |
| 2 |
21 |
Became a Marine (Marine Support) with the new title Marine. |
| 2 |
23 |
Assigned to a black ops mission. |
| 2 |
25 |
Promoted to Marine (Marine Support) rank 1 with the new title Lance Corporal. |
| 3 |
25 |
Attempted to change assignments. |
| 3 |
25 |
Failed to qualify for Ground Assault (Marine). |
| 3 |
25 |
Continued as Marine (Marine Support). |
| 3 |
26 |
Assigned to the security staff of a space station. |
| 3 |
29 |
Promoted to Marine (Marine Support) rank 2 with the new title Corporal. |
| 4 |
29 |
Continued as Marine (Marine Support). |
| 4 |
31 |
Commanding officer takes an interest in Birtha Brook's career. |
| 4 |
33 |
Promoted to Marine (Marine Support) rank 3 with the new title Lance Sergeant. |