| Term |
Age |
History |
|---|
| 1 |
18 |
Entered University. |
| 1 |
22 |
Join a social movement. |
| 1 |
22 |
Graduated with honors. |
| 2 |
22 |
Became a Marine (Marine Support) with the new title Marine. |
| 2 |
22 |
Commissioned in Marine (Marine Support) with the new title Lieutenant. |
| 2 |
23 |
Victim of a crime |
| 3 |
26 |
Attempted to change assignments. |
| 3 |
26 |
Failed to qualify for Star Marine (Marine). |
| 3 |
26 |
Continued as Marine (Marine Support). |
| 3 |
29 |
A mission goes disastrously wrong due to Sebastian Costigan's commander’s error or incompetence, but Sebastian Costigan survive. |
| 3 |
29 |
Cover for the commander and gain an Ally. |
| 3 |
30 |
Promoted to Marine (Marine Support) officer rank 2 with the new title Captain. |
| 4 |
30 |
Continued as Marine (Marine Support). |
| 4 |
34 |
A mission goes disastrously wrong due to Sebastian Costigan's commander’s error or incompetence, but Sebastian Costigan survive. |
| 4 |
34 |
Report commander and gain an Enemy. |
| 4 |
34 |
Promoted to Marine (Marine Support) officer rank 3 with the new title Force Commander. |
| 5 |
34 |
Continued as Marine (Marine Support). |
| 5 |
37 |
Advanced training in a specialist field |
| 5 |
38 |
Promoted to Marine (Marine Support) officer rank 4 with the new title Lieutenant Colonel. |
| 6 |
38 |
Continued as Marine (Marine Support). |
| 6 |
41 |
On the front lines of a planetary assault and occupation. |
| 6 |
42 |
Promoted to Marine (Marine Support) officer rank 5 with the new title Colonel. |
| 7 |
42 |
Attempted to change assignments. |
| 7 |
42 |
Failed to qualify for Ground Assault (Marine). |
| 7 |
42 |
Continued as Marine (Marine Support). |
| 7 |
46 |
Assigned to a black ops mission. |
| 7 |
46 |
Promoted to Marine (Marine Support) officer rank 6 with the new title Brigadier. |