| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Marine Academy (Military Academy). |
| 1 |
18 |
Submitted to the draft. |
| 1 |
18 |
Became a Army (Cavalry) with the new title Private. |
| 1 |
21 |
Assigned to an urbanised planet torn by war. |
| 1 |
22 |
Promoted to Army (Cavalry) rank 1 with the new title Lance Corporal. |
| 2 |
22 |
Continued as Army (Cavalry). |
| 2 |
23 |
Commanding officer takes an interest in Gerald Casey's career. |
| 2 |
26 |
Promoted to Army (Cavalry) rank 2 with the new title Corporal. |
| 3 |
26 |
Attempted to change assignments. |
| 3 |
26 |
Failed to qualify for Infantry (Army). |
| 3 |
26 |
Continued as Army (Cavalry). |
| 3 |
27 |
Advanced training in a specialist field |
| 3 |
30 |
Promoted to Army (Cavalry) rank 3 with the new title Lance Sergeant. |