| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Citizen (Worker). |
| 1 |
22 |
Advanced training in a specialist field. |
| 2 |
22 |
Continued as Citizen (Worker). |
| 2 |
24 |
Spent time maintaining and using heavy vehicles. |
| 2 |
26 |
Promoted to Citizen (Worker) rank 1. |
| 3 |
26 |
Continued as Citizen (Worker). |
| 3 |
29 |
Merrill Keogh is rewarded for Merrill Keogh's diligence or cunning. |
| 3 |
30 |
Promoted to Citizen (Worker) rank 2 with the new title Technician. |
| 4 |
30 |
Continued as Citizen (Worker). |
| 4 |
31 |
Merrill Keogh's business expands, Merrill Keogh's corporation grows, or the colony thrives. |