| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Marine Support) with the new title Marine. |
| 1 |
20 |
Refused to take part in a black ops mission that goes against the conscience and ejected from the service. |
| 2 |
20 |
Failed to qualify for Courier (Scout). |
| 2 |
20 |
Submitted to the draft. |
| 2 |
20 |
Switched to Marine (Ground Assault) with previous rank. |
| 2 |
24 |
Assigned to an assault on an enemy fortress. |
| 2 |
24 |
Injured |
| 2 |
24 |
Promoted to Marine (Ground Assault) rank 1 with the new title Lance Corporal. |
| 3 |
24 |
Continued as Marine (Ground Assault). |
| 3 |
25 |
Advanced training in a specialist field |
| 3 |
28 |
Promoted to Marine (Ground Assault) rank 2 with the new title Corporal. |
| 4 |
28 |
Continued as Marine (Ground Assault). |
| 4 |
31 |
On the front lines of a planetary assault and occupation. |
| 4 |
32 |
Promoted to Marine (Ground Assault) rank 3 with the new title Lance Sergeant. |
| 5 |
32 |
Continued as Marine (Ground Assault). |
| 5 |
35 |
Assigned to an assault on an enemy fortress. |
| 5 |
36 |
Forced to continue current assignment |
| 5 |
36 |
Promoted to Marine (Ground Assault) rank 4 with the new title Sergeant. |
| 6 |
36 |
Continued as Marine (Ground Assault). |
| 6 |
37 |
A mission goes disastrously wrong due to Lettie Heriot's commander’s error or incompetence, but Lettie Heriot survive. |
| 6 |
37 |
Report commander and gain an Enemy. |
| 6 |
40 |
Promoted to Marine (Ground Assault) rank 5 with the new title Gunnery Sergeant. |