| Term |
Age |
History |
|---|
| 1 |
18 |
Entered Military Academy(Marine Academy) |
| 1 |
19 |
Suffered a deep tragedy. |
| 1 |
22 |
Graduated with honors. |
| 2 |
22 |
Became a Marine (Star Marine) with the new title Marine. |
| 2 |
22 |
Commissioned in Marine (Star Marine) with the new title Lieutenant. |
| 2 |
25 |
A mission goes disastrously wrong due to Donnie Bowman's commander’s error or incompetence, but Donnie Bowman survive. |
| 2 |
25 |
Cover for the commander and gain an Ally. |
| 2 |
26 |
Promoted to Marine (Star Marine) officer rank 2 with the new title Captain. |
| 3 |
26 |
Continued as Marine (Star Marine). |
| 3 |
28 |
Assigned to a black ops mission. |
| 4 |
30 |
Continued as Marine (Star Marine). |
| 4 |
34 |
Assigned to an assault on an enemy fortress. |
| 4 |
34 |
Injured |