| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Scientist (Scholar). |
| 1 |
18 |
Became a Drifter (Wanderer). |
| 1 |
21 |
Attempted a risky adventure and was wildly successful. |
| 1 |
22 |
Promoted to Drifter (Wanderer) rank 1. |
| 2 |
22 |
Continued as Drifter (Wanderer). |
| 2 |
23 |
Suffer from a life-threatening illness. |
| 3 |
23 |
Became a Navy (Engineer/Gunner) with the new title Crewman. |
| 3 |
27 |
Vessel participates in a notable military engagement. |
| 3 |
27 |
Attempt at commissioned failed. |
| 3 |
27 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |