| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Marine Support) with the new title Marine. |
| 1 |
19 |
Advanced training in a specialist field |
| 1 |
22 |
Commissioned in Marine (Marine Support) with the new title Lieutenant. |
| 2 |
22 |
Continued as Marine (Marine Support). |
| 2 |
26 |
Assigned to the security staff of a space station. |
| 3 |
26 |
Attempted to change assignments. |
| 3 |
26 |
Switched to Marine (Ground Assault) with previous rank. |
| 3 |
30 |
A mission goes disastrously wrong due to Verna Twaddle's commander’s error or incompetence, but Verna Twaddle survive. |
| 3 |
30 |
Report commander and gain an Enemy. |
| 3 |
30 |
Promoted to Marine (Ground Assault) officer rank 2 with the new title Captain. |