| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Citizen (Colonist). |
| 1 |
20 |
Merl Walla gain experience in a technical field as a computer operator or surveyor. |
| 1 |
22 |
Promoted to Citizen (Colonist) rank 1. |
| 2 |
22 |
Voluntarily left Colonist |
| 2 |
22 |
Became a Scholar (Physician). |
| 2 |
23 |
Advanced training in a specialist field. |
| 3 |
26 |
Continued as Scholar (Physician). |
| 3 |
30 |
Make a breakthrough in Merl Walla's field. |
| 4 |
30 |
Attempted to change assignments. |
| 4 |
30 |
Switched to Scholar (Scientist) with previous rank. |
| 4 |
31 |
Make a breakthrough in Merl Walla's field. |
| 4 |
34 |
Promoted to Scholar (Scientist) rank 1. |