| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Navy (Engineer/Gunner) with the new title Crewman. |
| 1 |
20 |
Advanced training in a specialist field. |
| 1 |
22 |
Attempt at commissioned failed. |
| 1 |
22 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |
| 2 |
22 |
Voluntarily left Engineer/Gunner |
| 2 |
22 |
Failed to qualify for Field Researcher (Scholar). |
| 2 |
22 |
Submitted to the draft. |
| 2 |
22 |
Became a Marine (Marine Support) with the new title Marine. |
| 2 |
24 |
Assigned to a black ops mission. |
| 2 |
26 |
Promoted to Marine (Marine Support) rank 1 with the new title Lance Corporal. |
| 3 |
26 |
Continued as Marine (Marine Support). |
| 3 |
29 |
Trapped behind enemy lines. |
| 3 |
30 |
Promoted to Marine (Marine Support) rank 2 with the new title Corporal. |
| 4 |
30 |
Continued as Marine (Marine Support). |
| 4 |
31 |
Assigned to an assault on an enemy fortress. |
| 4 |
31 |
Injured |
| 5 |
34 |
Continued as Marine (Marine Support). |
| 5 |
37 |
Assigned to an assault on an enemy fortress. |
| 5 |
37 |
Injured |
| 5 |
38 |
Promoted to Marine (Marine Support) rank 3 with the new title Lance Sergeant. |
| 6 |
38 |
Continued as Marine (Marine Support). |
| 6 |
40 |
Advanced training in a specialist field |
| 6 |
42 |
Promoted to Marine (Marine Support) rank 4 with the new title Sergeant. |