| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Marine Support) with the new title Marine. |
| 1 |
20 |
A mission goes disastrously wrong due to Duncan Gray's commander’s error or incompetence, but Duncan Gray survive. |
| 1 |
20 |
Report commander and gain an Enemy. |
| 1 |
22 |
Commissioned in Marine (Marine Support) with the new title Lieutenant. |
| 1 |
22 |
Promoted to Marine (Marine Support) officer rank 2 with the new title Captain. |
| 2 |
22 |
Continued as Marine (Marine Support). |
| 2 |
23 |
On the front lines of a planetary assault and occupation. |
| 2 |
26 |
Promoted to Marine (Marine Support) officer rank 3 with the new title Force Commander. |
| 3 |
26 |
Continued as Marine (Marine Support). |
| 3 |
30 |
Assigned to an assault on an enemy fortress. |
| 3 |
30 |
Injured |
| 3 |
30 |
Promoted to Marine (Marine Support) officer rank 4 with the new title Lieutenant Colonel. |
| 4 |
30 |
Attempted to change assignments. |
| 4 |
30 |
Failed to qualify for Ground Assault (Marine). |
| 4 |
30 |
Continued as Marine (Marine Support). |
| 4 |
32 |
Assigned to a black ops mission. |
| 4 |
34 |
Promoted to Marine (Marine Support) officer rank 5 with the new title Colonel. |