| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Marine Support) with the new title Marine. |
| 1 |
20 |
A mission goes disastrously wrong due to Derek Casey's commander’s error or incompetence, but Derek Casey survive. |
| 1 |
20 |
Cover for the commander and gain an Ally. |
| 1 |
22 |
Promoted to Marine (Marine Support) rank 1 with the new title Lance Corporal. |
| 2 |
22 |
Attempted to change assignments. |
| 2 |
22 |
Switched to Marine (Ground Assault) with previous rank. |
| 2 |
25 |
Advanced training in a specialist field |
| 2 |
26 |
Attempt at commissioned failed. |
| 2 |
26 |
Promoted to Marine (Ground Assault) rank 2 with the new title Corporal. |
| 3 |
26 |
Continued as Marine (Ground Assault). |
| 3 |
29 |
Assigned to an assault on an enemy fortress. |
| 3 |
30 |
Commissioned in Marine (Ground Assault) with the new title Lieutenant. |
| 3 |
30 |
Promoted to Marine (Ground Assault) officer rank 2 with the new title Captain. |
| 4 |
30 |
Attempted to change assignments. |
| 4 |
30 |
Failed to qualify for Marine Support (Marine). |
| 4 |
30 |
Continued as Marine (Ground Assault). |
| 4 |
31 |
On the front lines of a planetary assault and occupation. |
| 4 |
34 |
Forced to muster out. |
| 5 |
34 |
Became a Scholar (Scientist). |
| 5 |
37 |
Gained a contact. |
| 5 |
38 |
Promoted to Scholar (Scientist) rank 1. |
| 6 |
38 |
Continued as Scholar (Scientist). |
| 6 |
40 |
Advanced training in a specialist field. |
| 7 |
42 |
Continued as Scholar (Scientist). |
| 7 |
45 |
An expedition or voyage goes wrong, leaving Derek Casey stranded in the wilderness. |