| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Army (Cavalry) with the new title Private. |
| 1 |
21 |
Surrounded and outnumbered by the enemy, Sydney Buchannan hold out until relief arrives. |
| 1 |
22 |
Promoted to Army (Cavalry) rank 1 with the new title Lance Corporal. |
| 2 |
22 |
Continued as Army (Cavalry). |
| 2 |
25 |
Given a special assignment or duty in Sydney Buchannan's unit. |
| 2 |
26 |
Promoted to Army (Cavalry) rank 2 with the new title Corporal. |
| 3 |
26 |
Continued as Army (Cavalry). |
| 3 |
30 |
Forced out after co-operating with military investigation in commanding officer's illegal activity. |
| 4 |
30 |
Failed to qualify for Corporate Agent (Agent). |
| 4 |
30 |
Submitted to the draft. |
| 4 |
30 |
Became a Marine (Marine Support) with the new title Marine. |
| 4 |
32 |
Advanced training in a specialist field |
| 4 |
34 |
Attempt at commissioned failed. |
| 4 |
34 |
Promoted to Marine (Marine Support) rank 1 with the new title Lance Corporal. |
| 5 |
34 |
Attempted to change assignments. |
| 5 |
34 |
Failed to qualify for Star Marine (Marine). |
| 5 |
34 |
Continued as Marine (Marine Support). |
| 5 |
35 |
Display heroism in battle. |
| 5 |
38 |
Commissioned in Marine (Marine Support) with the new title Lieutenant. |
| 5 |
38 |
Promoted to Marine (Marine Support) officer rank 2 with the new title Captain. |
| 6 |
38 |
Attempted to change assignments. |
| 6 |
38 |
Failed to qualify for Star Marine (Marine). |
| 6 |
38 |
Continued as Marine (Marine Support). |
| 6 |
40 |
Advanced training in a specialist field |
| 7 |
42 |
Continued as Marine (Marine Support). |
| 7 |
45 |
Assigned to a black ops mission. |
| 7 |
46 |
Promoted to Marine (Marine Support) officer rank 3 with the new title Force Commander. |