| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Infantry (Army). |
| 1 |
18 |
Submitted to the draft. |
| 1 |
18 |
Became a Marine (Star Marine) with the new title Marine. |
| 1 |
20 |
A mission goes wrong and Bertie Sim is stranded behind enemy lines. Ejected from the service. |
| 2 |
20 |
Became a Army (Infantry) with the new title Private. |
| 2 |
23 |
Given a special assignment or duty in Bertie Sim's unit. |
| 2 |
24 |
Commissioned in Army (Infantry) with the new title Lieutenant. |
| 2 |
24 |
Promoted to Army (Infantry) officer rank 2 with the new title Captain. |
| 3 |
24 |
Attempted to change assignments. |
| 3 |
24 |
Switched to Army (Army Support) with previous rank. |
| 3 |
25 |
Advanced training in a specialist field |
| 3 |
28 |
Promoted to Army (Army Support) officer rank 3 with the new title Major. |