| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Ground Assault) with the new title Marine. |
| 1 |
21 |
Commanding officer takes an interest in Glen Butler's career. |
| 1 |
22 |
Promoted to Marine (Ground Assault) rank 1 with the new title Lance Corporal. |
| 2 |
22 |
Continued as Marine (Ground Assault). |
| 2 |
24 |
Assigned to the security staff of a space station. |
| 3 |
26 |
Continued as Marine (Ground Assault). |
| 3 |
27 |
Assigned to a black ops mission. |
| 3 |
30 |
Promoted to Marine (Ground Assault) rank 2 with the new title Corporal. |
| 4 |
30 |
Attempted to change assignments. |
| 4 |
30 |
Failed to qualify for Star Marine (Marine). |
| 4 |
30 |
Continued as Marine (Ground Assault). |
| 4 |
32 |
Assigned to a black ops mission. |
| 4 |
34 |
Promoted to Marine (Ground Assault) rank 3 with the new title Lance Sergeant. |
| 5 |
34 |
Continued as Marine (Ground Assault). |
| 5 |
36 |
On the front lines of a planetary assault and occupation. |
| 5 |
38 |
Forced to muster out. |