| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Engineer/Gunner (Navy). |
| 1 |
18 |
Submitted to the draft. |
| 1 |
18 |
Became a Army (Cavalry) with the new title Private. |
| 1 |
21 |
Commanding officer takes an interest in Bailey Walker's career. |
| 1 |
22 |
Commissioned in Army (Cavalry) with the new title Lieutenant. |
| 1 |
22 |
Promoted to Army (Cavalry) officer rank 2 with the new title Captain. |
| 2 |
22 |
Continued as Army (Cavalry). |
| 2 |
24 |
Assigned to an urbanised planet torn by war. |
| 2 |
26 |
Promoted to Army (Cavalry) officer rank 3 with the new title Major. |
| 3 |
26 |
Continued as Army (Cavalry). |
| 3 |
27 |
Assigned to a peacekeeping role. |
| 3 |
30 |
Promoted to Army (Cavalry) officer rank 4 with the new title Lieutenant Colonel. |
| 4 |
30 |
Continued as Army (Cavalry). |
| 4 |
31 |
Advanced training in a specialist field |
| 4 |
34 |
Promoted to Army (Cavalry) officer rank 5 with the new title Colonel. |
| 5 |
34 |
Continued as Army (Cavalry). |
| 5 |
37 |
Thrown into a brutal ground war |
| 5 |
37 |
Nearly killed. |
| 5 |
38 |
Forced to muster out. |