| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Army (Infantry) with the new title Private. |
| 1 |
22 |
Forced out after co-operating with military investigation in commanding officer's illegal activity. |
| 2 |
22 |
Became a Scout (Courier). |
| 2 |
26 |
Spend several years jumping from world to world in Al Gray's scout ship. |
| 3 |
26 |
Voluntarily left Courier |
| 3 |
26 |
Became a Marine (Star Marine) with the new title Marine. |
| 3 |
27 |
A mission goes wrong and Al Gray is stranded behind enemy lines. Ejected from the service. |
| 3 |
30 |
Promoted to Marine (Star Marine) rank 1 with the new title Lance Corporal. |
| 4 |
30 |
Continued as Marine (Star Marine). |
| 4 |
34 |
A mission goes disastrously wrong due to Al Gray's commander’s error or incompetence, but Al Gray survive. |
| 4 |
34 |
Report commander and gain an Enemy. |
| 4 |
34 |
Promoted to Marine (Star Marine) rank 2 with the new title Corporal. |
| 5 |
34 |
Continued as Marine (Star Marine). |
| 5 |
37 |
Advanced training in a specialist field |
| 5 |
38 |
Promoted to Marine (Star Marine) rank 3 with the new title Lance Sergeant. |