| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Marine Academy (Military Academy). |
| 1 |
18 |
Submitted to the draft. |
| 1 |
18 |
Became a Scout (Surveyor). |
| 1 |
22 |
Spend several years jumping from world to world in Young Donaldson's scout ship. |
| 2 |
22 |
Continued as Scout (Surveyor). |
| 2 |
25 |
Young Donaldson's ship is ambushed by enemy vessels. Attempted to bargain with them but fail and the ship is destroyed. |
| 2 |
26 |
Promoted to Scout (Surveyor) rank 1 with the new title Scout. |
| 3 |
26 |
Became a Marine (Star Marine) with the new title Marine. |
| 3 |
27 |
Assigned to the security staff of a space station. |
| 4 |
30 |
Continued as Marine (Star Marine). |
| 4 |
33 |
Trapped behind enemy lines. |
| 4 |
34 |
Promoted to Marine (Star Marine) rank 1 with the new title Lance Corporal. |
| 5 |
34 |
Continued as Marine (Star Marine). |
| 5 |
38 |
Assigned to the security staff of a space station. |
| 5 |
38 |
Promoted to Marine (Star Marine) rank 2 with the new title Corporal. |