| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Drifter (Barbarian). |
| 1 |
22 |
Suffer from a life-threatening illness. |
| 2 |
22 |
Failed to qualify for Line/Crew (Navy). |
| 2 |
22 |
Submitted to the draft. |
| 2 |
22 |
Became a Marine (Marine Support) with the new title Marine. |
| 2 |
24 |
Trapped behind enemy lines. |
| 3 |
26 |
Continued as Marine (Marine Support). |
| 3 |
27 |
Assigned to a black ops mission. |
| 4 |
30 |
Continued as Marine (Marine Support). |
| 4 |
33 |
Refused to take part in a black ops mission that goes against the conscience and ejected from the service. |
| 5 |
33 |
Became a Navy (Engineer/Gunner) with the new title Crewman. |
| 5 |
37 |
Advanced training in a specialist field. |
| 5 |
37 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |