| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Citizen (Worker). |
| 1 |
21 |
A revolution, attack or other unusual event throws Arnold Willis's life into chaos, forcing Arnold Willis to leave the planet. |
| 1 |
22 |
Promoted to Citizen (Worker) rank 1. |
| 2 |
22 |
Continued as Citizen (Worker). |
| 2 |
26 |
Spent time maintaining and using heavy vehicles. |
| 3 |
26 |
Continued as Citizen (Worker). |
| 3 |
30 |
Injured. |
| 3 |
30 |
Forced to muster out. |
| 4 |
30 |
Became a Navy (Line/Crew) with the new title Crewman. |
| 4 |
32 |
Vessel participates in a notable military engagement. |
| 4 |
34 |
Commissioned in Navy (Line/Crew) with the new title Ensign. |