| Term |
Age |
History |
|---|
| 1 |
12 |
Entered Military Academy(Marine Academy) |
| 1 |
14 |
Study Drive (Walker) as a hobby. |
| 1 |
16 |
Graduated. |
| 2 |
16 |
Became a Marine (Ground Assault) with the new title Marine. |
| 2 |
18 |
A mission goes disastrously wrong due to Dean Kinghead's commander’s error or incompetence, but Dean Kinghead survive. |
| 2 |
18 |
Cover for the commander and gain an Ally. |
| 2 |
20 |
Attempt at commissioned failed. |
| 2 |
20 |
Promoted to Marine (Ground Assault) rank 1 with the new title Lance Corporal. |
| 3 |
20 |
Attempted to change assignments. |
| 3 |
20 |
Switched to Marine (Star Marine) with previous rank. |
| 3 |
22 |
Assigned to a black ops mission. |
| 3 |
24 |
Promoted to Marine (Star Marine) rank 2 with the new title Corporal. |
| 4 |
24 |
Continued as Marine (Star Marine). |
| 4 |
28 |
On the front lines of a planetary assault and occupation. |
| 4 |
28 |
Promoted to Marine (Star Marine) rank 3 with the new title Lance Sergeant. |
| 5 |
28 |
Continued as Marine (Star Marine). |
| 5 |
29 |
Assigned to an assault on an enemy fortress. |
| 5 |
32 |
Promoted to Marine (Star Marine) rank 4 with the new title Sergeant. |